configs: Fix segfault when using --standard-switch and --repeat-switch

This is similar to:

https://gem5-review.googlesource.com/c/public/gem5/+/56812

We should really prune some of these options and take stronger
steps on discouraging se.py usage

Change-Id: Id750fb5731698a17d64ed60e65e1253c620c911e
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/62915
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
1 file changed