arch: Include some additional headers in arch/generic/mmapped_ipr.cc.

These had been included transitively before.

Change-Id: Ie420bc957e9abb5cd01fcf720fc1fda619d210f0
Reviewed-on: https://gem5-review.googlesource.com/c/13538
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>
Maintainer: Andreas Sandberg <andreas.sandberg@arm.com>
1 file changed