Lint error W444 (avoid use of tri-state values) in csrng_pkg.sv needs to be cleaned up. A temporary waiver is in place currently. [lowRISC]

[anjpar]

Rebase of caliptra-prim to Earlgrey.PROD_M5 tagged version (PR #685) introduced W444 lint error in csrg_pkg.sv line 32:

typedef enum logic [CSRNG_CMD_STS_WIDTH-1:0] {
CMD_STS_SUCCESS = 'h0,
CMD_STS_INVALID_ACMD = 'h1,
CMD_STS_INVALID_GEN_CMD = 'h2,
CMD_STS_INVALID_CMD_SEQ = 'h3,
CMD_STS_RESEED_CNT_EXCEEDED = 'h4,
CMD_STS_UNDRIVEN = 'z
} csrng_cmd_sts_e;

Error details:

---

W444 (1 error/0 waived)

Tag : W444
Description : Tristate value '[Value_Name]' specified
Violation : Lint:4
Goal : caliptra_lint_rtl_msft
Module : caliptra_top
FileName : /home/ws/caliptra/anjpar/caliptra_ws_01_06/chipsalliance/caliptra-rtl/src/csrng/rtl/csrng_pkg.sv
LineNumber : 32
Statement : CMD_STS_UNDRIVEN = 'z
Value_Name : 'bzzz

We have a temporary waiver in place, so that we could get past the lint error and push the rebase changes to main.