armv7, beagle: add support for ELF relocations

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/lib/cache.c b/arch/arm/lib/cache.c
index 55b633e..5715168 100644
--- a/arch/arm/lib/cache.c
+++ b/arch/arm/lib/cache.c
@@ -38,7 +38,7 @@
 	/* disable write buffer as well (page 2-22) */
 	asm("mcr p15, 0, %0, c7, c10, 4" : : "r" (0));
 #endif
-#ifdef CONFIG_ARMCORTEXA8
+#ifdef CONFIG_ARMV7
 	void v7_flush_cache_all(void);
 
 	v7_flush_cache_all();