[ARM] Use CPU_CACHE_* where possible in asm/cacheflush.h

Three of the generic cache method options were using explicit CPU
types, whereas they could use the CPU_CACHE_* definitions instead.
Switch them over to use the CPU_CACHE_* definitions.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

include/asm-arm/cacheflush.h

@@ -25,17 +25,15 @@
 #undef _CACHE
 #undef MULTI_CACHE
 
-#if defined(CONFIG_CPU_ARM610) || defined(CONFIG_CPU_ARM710) || \
-    defined(CONFIG_CPU_ARM740T)
+#if defined(CONFIG_CPU_CACHE_V3)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
 #  define _CACHE v3
 # endif
 #endif
 
-#if defined(CONFIG_CPU_ARM720T) || defined(CONFIG_CPU_ARM7TDMI) || \
-    defined(CONFIG_CPU_ARM9TDMI)
+#if defined(CONFIG_CPU_CACHE_V4)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else
@@ -72,7 +70,7 @@
 # endif
 #endif
 
-#if defined(CONFIG_CPU_SA110) || defined(CONFIG_CPU_SA1100)
+#if defined(CONFIG_CPU_CACHE_V4WB)
 # ifdef _CACHE
 #  define MULTI_CACHE 1
 # else