sh: Update core code of SuperH.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/cpu/sh4/Makefile b/cpu/sh4/Makefile
index b24a280..1bb8bd7 100644
--- a/cpu/sh4/Makefile
+++ b/cpu/sh4/Makefile
@@ -29,7 +29,7 @@
 LIB	= $(obj)lib$(CPU).a
 
 START	= start.o
-OBJS	= cpu.o interrupts.o watchdog.o time.o 
+OBJS	= cpu.o interrupts.o watchdog.o time.o cache.o
 
 all:	.depend $(START) $(LIB)