configs: Add --exit-on-uart-eot flag to Arm baremetal.py config

Many benchmarks signal their termination by writing an EOT character
to the UART. This change adds an option to the Arm `baremetal.py`
example script to exit the simulation when an EOT character is
detected on any of the UARTs.

Change-Id: Ibfce9800c47090714258dbdbc5d6cee5ee6fb952
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/69688
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed