[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/common.c b/arch/arm/mach-footbridge/common.c
index b08ab50..818014e 100644
--- a/arch/arm/mach-footbridge/common.c
+++ b/arch/arm/mach-footbridge/common.c
@@ -13,11 +13,11 @@
 #include <linux/ioport.h>
 #include <linux/list.h>
 #include <linux/init.h>
+#include <linux/io.h>
  
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/irq.h>
-#include <asm/io.h>
 #include <asm/mach-types.h>
 #include <asm/setup.h>
 #include <asm/hardware/dec21285.h>