Arm backend: Improve error logging when running Corstone FVP#15276

Sebastian-Larsson merged 2 commits intopytorch:mainpytorch/executorch:mainfrom

zingo:Arm-backend-Improve-error-logging-when-running-Corstone-FVPzingo/executorch:Arm-backend-Improve-error-logging-when-running-Corstone-FVPCopy head branch name to clipboard