ARM: sa1100: use __iomem pointers for MMIO

ARM is moving to stricter checks on readl/write functions,
so we need to use the correct types everywhere.

Cc: Jochen Friedrich <jochen@scram.de>
Cc: Dominik Brodowski <linux@dominikbrodowski.net>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

arch/arm/mach-sa1100/include/mach/simpad.h

@@ -87,7 +87,7 @@
 #define SIMPAD_CS3_PCMCIA_SHORT		(SIMPAD_CS3_GPIO_BASE + 22)
 #define SIMPAD_CS3_GPIO_23		(SIMPAD_CS3_GPIO_BASE + 23)
 
-#define CS3_BASE        0xf1000000
+#define CS3_BASE        IOMEM(0xf1000000)
 
 long simpad_get_cs3_ro(void);
 long simpad_get_cs3_shadow(void);