ARM: shmobile: remove additional __io() macro use

setup-r8a7779.c has grown a new user of the __io() macro. Rob Herring's
PIO cleanup series already gets rid of all other uses in shmobile, so
we should ensure that this one gets removed as well.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

arch/arm/mach-shmobile/setup-r8a7779.c

@@ -246,7 +246,7 @@ void __init r8a7779_add_standard_devices(void)
 {
 #ifdef CONFIG_CACHE_L2X0
 	/* Early BRESP enable, Shared attribute override enable, 64K*16way */
-	l2x0_init(__io(0xf0100000), 0x40470000, 0x82000fff);
+	l2x0_init((void __iomem __force *)(0xf0100000), 0x40470000, 0x82000fff);
 #endif
 	r8a7779_pm_init();