[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/kernel/armksyms.c b/arch/arm/kernel/armksyms.c
index 8989fe8..2357b1c 100644
--- a/arch/arm/kernel/armksyms.c
+++ b/arch/arm/kernel/armksyms.c
@@ -14,9 +14,9 @@
 #include <linux/in6.h>
 #include <linux/syscalls.h>
 #include <linux/uaccess.h>
+#include <linux/io.h>
 
 #include <asm/checksum.h>
-#include <asm/io.h>
 #include <asm/system.h>
 #include <asm/ftrace.h>