MLDSA KAT for Signature randomness (#734)

* added sign rnd smoke test

* MICROSOFT AUTOMATED PIPELINE: Stamp 'user/dev/ekarabulut/mldsa_sign_rnd_test' with updated timestamp and hash after successful run

* MICROSOFT AUTOMATED PIPELINE: Stamp 'user/dev/ekarabulut/mldsa_sign_rnd_test' with updated timestamp and hash after successful run

* removed a misleading comment

* MICROSOFT AUTOMATED PIPELINE: Stamp 'user/dev/ekarabulut/mldsa_sign_rnd_test' with updated timestamp and hash after successful run

.github/workflow_metadata/pr_hash

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-97c2111bc2ca1496d92ef24508279e453bceec5045a529618ce70e4da4a999730e262da3cc4031468186cd62897d61a0
+7003ac7c436a770c014e8b76999ddc237b08f17fc21332ad4cca6592d545910c71a67e0bdb5252e90942e849f31db042

.github/workflow_metadata/pr_timestamp

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-1739593668
+1739901899

src/integration/test_suites/smoke_test_mldsa_sign_rnd/caliptra_isr.h

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+// SPDX-License-Identifier: Apache-2.0
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+// ---------------------------------------------------------------------
+// File: caliptra_isr.h
+// Description:
+//     Provides function declarations for use by external test files, so
+//     that the ISR functionality may behave like a library.
+//     TODO:
+//     This header file includes inline function definitions for event and
+//     test specific interrupt service behavior, so it should be copied and
+//     modified for each test.
+// ---------------------------------------------------------------------
+
+#ifndef CALIPTRA_ISR_H
+    #define CALIPTRA_ISR_H
+
+#define EN_ISR_PRINTS 1
+
+#include "caliptra_defines.h"
+#include <stdint.h>
+#include "printf.h"
+
+/* --------------- symbols/typedefs --------------- */
+typedef struct {
+    uint32_t doe_error;
+    uint32_t doe_notif;
+    uint32_t ecc_error;
+    uint32_t ecc_notif;
+    uint32_t hmac_error;
+    uint32_t hmac_notif;
+    uint32_t kv_error;
+    uint32_t kv_notif;
+    uint32_t sha512_error;
+    uint32_t sha512_notif;
+    uint32_t sha256_error;
+    uint32_t sha256_notif;
+    uint32_t soc_ifc_error;
+    uint32_t soc_ifc_notif;
+    uint32_t sha512_acc_error;
+    uint32_t sha512_acc_notif;
+    uint32_t mldsa_error;
+    uint32_t mldsa_notif;
+    uint32_t axi_dma_error;
+    uint32_t axi_dma_notif;
+} caliptra_intr_received_s; //TODO: add mldsa intr
+extern volatile caliptra_intr_received_s cptra_intr_rcv;
+
+//////////////////////////////////////////////////////////////////////////////
+// Function Declarations
+//
+
+// Performs all the CSR setup to configure and enable vectored external interrupts
+void init_interrupts(void);
+
+// These inline functions are used to insert event-specific functionality into the
+// otherwise generic ISR that gets laid down by the parameterized macro "nonstd_veer_isr"
+inline void service_doe_error_intr() {return;}
+inline void service_doe_notif_intr() {return;
+}
+
+inline void service_ecc_error_intr() {return;}
+inline void service_ecc_notif_intr() {return;
+}
+
+inline void service_hmac_error_intr() {return;}
+inline void service_hmac_notif_intr() {return;
+}
+
+inline void service_kv_error_intr() {return;}
+inline void service_kv_notif_intr() {return;}
+inline void service_sha512_error_intr() {return;}
+inline void service_sha512_notif_intr() {return;
+}
+
+inline void service_sha256_error_intr() {return;}
+inline void service_sha256_notif_intr() {return;
+}
+
+
+inline void service_soc_ifc_error_intr() {return;
+}
+
+inline void service_soc_ifc_notif_intr () {return;
+}
+
+inline void service_sha512_acc_error_intr() {return;}
+inline void service_sha512_acc_notif_intr() {return;
+}
+
+inline void service_mldsa_error_intr() {return;}
+inline void service_mldsa_notif_intr() {
+    uint32_t * reg = (uint32_t *) (CLP_MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R);
+    uint32_t sts = *reg;
+    /* Write 1 to Clear the pending interrupt */
+    if (sts & MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK) {
+        *reg = MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK;
+        cptra_intr_rcv.mldsa_notif |= MLDSA_REG_INTR_BLOCK_RF_NOTIF_INTERNAL_INTR_R_NOTIF_CMD_DONE_STS_MASK;
+    }
+    if (sts == 0) {
+        VPRINTF(ERROR,"bad mldsa_notif_intr sts:%x\n", sts);
+        SEND_STDOUT_CTRL(0x1);
+        while(1);
+    }
+}
+inline void service_axi_dma_error_intr() {return;}
+inline void service_axi_dma_notif_intr() {return;}
+
+#endif //CALIPTRA_ISR_H