sh: add RAMCR definition for sh4

Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/cpu-sh4/cpu/cache.h

@@ -38,5 +38,7 @@
 #define CACHE_IC_ADDRESS_ARRAY	0xf0000000
 #define CACHE_OC_ADDRESS_ARRAY	0xf4000000
 
+#define RAMCR			0xFF000074
+
 #endif /* __ASM_CPU_SH4_CACHE_H */