[ARM] mm 9: add additional device memory types

Add cached device type for ioremap_cached().  Group all device memory
types together, and ensure that they all have a "MT_DEVICE" prefix.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/include/asm-arm/mach/map.h b/include/asm-arm/mach/map.h
index cef5364..8afef40 100644
--- a/include/asm-arm/mach/map.h
+++ b/include/asm-arm/mach/map.h
@@ -17,14 +17,18 @@
 };
 
 #define MT_DEVICE		0
-#define MT_CACHECLEAN		1
-#define MT_MINICLEAN		2
-#define MT_LOW_VECTORS		3
-#define MT_HIGH_VECTORS		4
-#define MT_MEMORY		5
-#define MT_ROM			6
-#define MT_IXP2000_DEVICE	7
-#define MT_NONSHARED_DEVICE	8
+#define MT_DEVICE_NONSHARED	1
+#define MT_DEVICE_CACHED	2
+#define MT_DEVICE_IXP2000	3
+#define MT_CACHECLEAN		4
+#define MT_MINICLEAN		5
+#define MT_LOW_VECTORS		6
+#define MT_HIGH_VECTORS		7
+#define MT_MEMORY		8
+#define MT_ROM			9
+
+#define MT_NONSHARED_DEVICE	MT_DEVICE_NONSHARED
+#define MT_IXP2000_DEVICE	MT_DEVICE_IXP2000
 
 #ifdef CONFIG_MMU
 extern void iotable_init(struct map_desc *, int);