sh: MigoR: Moved MigoR board to board/renesas

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
diff --git a/Makefile b/Makefile
index d47c039..d2ceee6 100644
--- a/Makefile
+++ b/Makefile
@@ -3144,7 +3144,7 @@
 MigoR_config :       unconfig
 	@mkdir -p $(obj)include
 	@echo "#define CONFIG_MIGO_R 1" > $(obj)include/config.h
-	@./mkconfig -a $(@:_config=) sh sh4 MigoR
+	@./mkconfig -a $(@:_config=) sh sh4 MigoR renesas
 
 ms7750se_config: unconfig
 	@mkdir -p $(obj)include