Update esp-aws-iot submodule pointer for transport test

[chinglee-iot]

Description

Update esp-aws-iot to include this commit espressif/esp-aws-iot@fed617c for transport interface test.

More information in this PR espressif/esp-aws-iot#228

Test Steps

Test
Run the transport interface test the following test cases should has no error.

TEST(Full_TransportInterfaceTest, TransportRecv_NetworkContextNullPtr)./components/FreeRTOS-Libraries-Integration-Tests/FreeRTOS-Libraries-Integration-Tests/src/transport_interface/transport_interface_test.c:865::FAIL: Expected 0 to be less than 0. Transport interface recv with NULL network context pointer should return negative value.

TEST(Full_TransportInterfaceTest, TransportRecv_BufferNullPtr)./components/FreeRTOS-Libraries-Integration-Tests/FreeRTOS-Libraries-Integration-Tests/src/transport_interface/transport_interface_test.c:886::FAIL: Expected 0 to be less than 0. Transport interface recv with NULL buffer pointer should return negative value.

TEST(Full_TransportInterfaceTest, TransportRecv_ZeroByteToRecv)./components/FreeRTOS-Libraries-Integration-Tests/FreeRTOS-Libraries-Integration-Tests/src/transport_interface/transport_interface_test.c:905::FAIL: Expected 0 to be less than 0. Transport interface recv with zero byte to recv should return negative value.

Checklist:

• I have tested my changes. No regression in existing tests.
• I have modified and/or added unit-tests to cover the code changes in this Pull Request.

Related Issue

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