arch: remove direct definitions of KERN_<LEVEL> uses

Add #include <linux/kern_levels.h> so that the #define KERN_<LEVEL> macros
don't have to be duplicated.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Kay Sievers <kay@vrfy.org>
Acked-by: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/arm/lib/io-acorn.S b/arch/arm/lib/io-acorn.S
index 1b197ea..69719ba 100644
--- a/arch/arm/lib/io-acorn.S
+++ b/arch/arm/lib/io-acorn.S
@@ -11,13 +11,14 @@
  *
  */
 #include <linux/linkage.h>
+#include <linux/kern_levels.h>
 #include <asm/assembler.h>
 
 		.text
 		.align
 
 .Liosl_warning:
-		.ascii	"<4>insl/outsl not implemented, called from %08lX\0"
+		.ascii	KERN_WARNING "insl/outsl not implemented, called from %08lX\0"
 		.align
 
 /*