arch-x86: Override make(Read|Write) instead of (read|write)_code.

Change-Id: Iab077f58e19aa6bfeed555caa31a4c8b3d261059
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/49741
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Gabe Black <gabe.black@gmail.com>
Maintainer: Gabe Black <gabe.black@gmail.com>
1 file changed