[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-iop/time.c b/arch/arm/plat-iop/time.c
index c53fefb..3695bbe 100644
--- a/arch/arm/plat-iop/time.c
+++ b/arch/arm/plat-iop/time.c
@@ -18,8 +18,8 @@
 #include <linux/time.h>
 #include <linux/init.h>
 #include <linux/timex.h>
+#include <linux/io.h>
 #include <mach/hardware.h>
-#include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/uaccess.h>
 #include <asm/mach/irq.h>