[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-rpc/dma.c b/arch/arm/mach-rpc/dma.c
index 4b19fe4..7958a30 100644
--- a/arch/arm/mach-rpc/dma.c
+++ b/arch/arm/mach-rpc/dma.c
@@ -14,11 +14,11 @@
 #include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/dma-mapping.h>
+#include <linux/io.h>
 
 #include <asm/page.h>
 #include <asm/dma.h>
 #include <asm/fiq.h>
-#include <asm/io.h>
 #include <asm/irq.h>
 #include <mach/hardware.h>
 #include <asm/uaccess.h>