[TF-M-ci-notifications] Job tf-m-nightly test 2093 fail

Check console output at http://ci.trustedfirmware.org/job/tf-m-nightly/2093/

Failed Jobs: AN521_GCC_3_ATTEST_Debug_BL2 https://tf.validation.linaro.org/scheduler/job/2662359 AN521_ARMCLANG_3_ATTEST_Debug_BL2 https://tf.validation.linaro.org/scheduler/job/2662360 AN521_GCC_2_ATTEST_Debug_BL2 https://tf.validation.linaro.org/scheduler/job/2662362 AN521_ARMCLANG_2_ATTEST_Debug_BL2 https://tf.validation.linaro.org/scheduler/job/2662361

For detailed test results please refer to http://ci.trustedfirmware.org/job/tf-m-nightly/2093/artifact/test_results.cs...