driver: make all dev_request_mem_region_* routines MIPS compatible
Use IOMEM() macro in all dev_request_mem_region_* routines to allow
the proper mapping on all platforms.
Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>