[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-imx/time.c b/arch/arm/mach-imx/time.c
index 08be387..a11765f 100644
--- a/arch/arm/mach-imx/time.c
+++ b/arch/arm/mach-imx/time.c
@@ -18,9 +18,9 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
-#include <asm/io.h>
 #include <asm/leds.h>
 #include <asm/irq.h>
 #include <asm/mach/time.h>