cpu: Switch to the (get|set)Reg API in the checker CPU.

Change-Id: I7ab1319ae6fc6d0d5bc62322fbe92c7131ce6403
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49777
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