riscv asmtest uses multiprocessing.Pool to run multiple gem5 processes concurrently. By using gem5 default options, processes will fail because: - accessing to the same m5out directory - listening too many remote gdb ports at the same time This will set independent m5out directories and disable remote gdb ports for asmtest gem5 processes. Change-Id: Ie4c81232210568cd1945adc2b99eebc019d705b6 Signed-off-by: Xin Ouyang <xin.ouyang@streamcomputing.com> Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/22863 Reviewed-by: Jason Lowe-Power <jason@lowepower.com> Reviewed-by: Alec Roelke <alec.roelke@gmail.com> Maintainer: Jason Lowe-Power <jason@lowepower.com> Tested-by: kokoro <noreply+kokoro@google.com>