[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-footbridge/isa-irq.c b/arch/arm/mach-footbridge/isa-irq.c
index 7132e52..62bb38f 100644
--- a/arch/arm/mach-footbridge/isa-irq.c
+++ b/arch/arm/mach-footbridge/isa-irq.c
@@ -18,13 +18,13 @@
 #include <linux/interrupt.h>
 #include <linux/list.h>
 #include <linux/init.h>
+#include <linux/io.h>
 
 #include <asm/mach/irq.h>
 
 #include <mach/hardware.h>
 #include <asm/hardware/dec21285.h>
 #include <asm/irq.h>
-#include <asm/io.h>
 #include <asm/mach-types.h>
 
 static void isa_mask_pic_lo_irq(unsigned int irq)