hwaccess: move mmio functions into hwaccess_physmap

The mmio_le/be_read/writex functions are used for raw memory access.
Bundle them with the physmap functions.

Change-Id: I313062b078e89630c703038866ac93c651f0f49a
Signed-off-by: Thomas Heijligen <thomas.heijligen@secunet.com>
Original-Reviewed-on: https://review.coreboot.org/c/flashrom/+/61160
Original-Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/flashrom-stable/+/72278
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
diff --git a/it87spi.c b/it87spi.c
index 1d5dd91..fd71a87 100644
--- a/it87spi.c
+++ b/it87spi.c
@@ -25,7 +25,7 @@
 #include "flash.h"
 #include "chipdrivers.h"
 #include "programmer.h"
-#include "hwaccess.h"
+#include "hwaccess_physmap.h"
 #include "hwaccess_x86_io.h"
 #include "spi.h"