dev, arm: Removed contextId variable

The contextId variable is only used by the debug flag and will prevent
a more optimised binary (i.e. fast) from compiling.

Change-Id: I6cefb5bc06d0d4b415df62f1278db53ba309fb87
Reviewed-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/16042
Maintainer: Giacomo Travaglini <giacomo.travaglini@arm.com>
1 file changed