[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/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index ac67eeb..e0003e0 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -15,9 +15,9 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 
 #include <asm/tlb.h>
-#include <asm/io.h>
 #include <asm/cacheflush.h>
 
 #include <asm/mach/map.h>