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/Makefile b/Makefile
index 891848d..6371881 100644
--- a/Makefile
+++ b/Makefile
@@ -815,7 +815,7 @@
 ifneq ($(NEED_RAW_ACCESS), )
 # Raw memory, MSR or PCI port I/O access.
 FEATURE_CFLAGS += -D'NEED_RAW_ACCESS=1'
-PROGRAMMER_OBJS += hwaccess.o hwaccess_physmap.o
+PROGRAMMER_OBJS += hwaccess_physmap.o
 
 ifeq ($(ARCH), x86)
 FEATURE_CFLAGS += -D'__FLASHROM_HAVE_OUTB__=1'