[ARM] Convert asm/io.h to linux/io.h

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 1907d22..e102aeb 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -13,10 +13,10 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/smp.h>
+#include <linux/io.h>
 
 #include <asm/cacheflush.h>
 #include <mach/hardware.h>
-#include <asm/io.h>
 #include <asm/mach-types.h>
 
 #include <mach/board-eb.h>