arm: clean cache management

unify arm cache management except for non standard cache as ARM7TDMI

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
diff --git a/include/configs/evb4510.h b/include/configs/evb4510.h
index ffc9408..0f415d9 100644
--- a/include/configs/evb4510.h
+++ b/include/configs/evb4510.h
@@ -43,6 +43,7 @@
 #define CONFIG_ARM_THUMB	1	/* this is an ARM7TDMI	 */
 #define CONFIG_S3C4510B		1	/* it's a S3C4510B chip	 */
 #define CONFIG_EVB4510		1	/* on an EVB4510 Board	 */
+#define CONFIG_SYS_NO_CP15_CACHE
 
 #define CONFIG_USE_IRQ
 #define CONFIG_STACKSIZE_IRQ    (4*1024)