[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-pnx4008/pm.c b/arch/arm/mach-pnx4008/pm.c
index f970906d..b3d8d53 100644
--- a/arch/arm/mach-pnx4008/pm.c
+++ b/arch/arm/mach-pnx4008/pm.c
@@ -18,8 +18,8 @@
 #include <linux/suspend.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
-#include <asm/io.h>
 #include <asm/cacheflush.h>
 #include <mach/pm.h>
 #include <mach/clock.h>