[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-omap1/id.c b/arch/arm/mach-omap1/id.c
index da13c3e..13083d7 100644
--- a/arch/arm/mach-omap1/id.c
+++ b/arch/arm/mach-omap1/id.c
@@ -14,8 +14,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
-
-#include <asm/io.h>
+#include <linux/io.h>
 
 #define OMAP_DIE_ID_0		0xfffe1800
 #define OMAP_DIE_ID_1		0xfffe1804