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>
diff --git a/src/arch/generic/mmapped_ipr.cc b/src/arch/generic/mmapped_ipr.cc
index 14e2baf..bf6bf99 100644
--- a/src/arch/generic/mmapped_ipr.cc
+++ b/src/arch/generic/mmapped_ipr.cc
@@ -30,6 +30,8 @@
 
 #include "arch/generic/mmapped_ipr.hh"
 
+#include "arch/isa_traits.hh"
+#include "config/the_isa.hh"
 #include "mem/packet.hh"
 #include "mem/packet_access.hh"
 #include "sim/pseudo_inst.hh"