sh: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
diff --git a/board/renesas/rsk7203/Makefile b/board/renesas/rsk7203/Makefile
index 13ffa4f..16acfaf 100644
--- a/board/renesas/rsk7203/Makefile
+++ b/board/renesas/rsk7203/Makefile
@@ -6,25 +6,5 @@
#
# SPDX-License-Identifier: GPL-2.0+
-include $(TOPDIR)/config.mk
-
-LIB = lib$(BOARD).o
-
-OBJS := rsk7203.o
-SOBJS := lowlevel_init.o
-
-LIB := $(addprefix $(obj),$(LIB))
-OBJS := $(addprefix $(obj),$(OBJS))
-SOBJS := $(addprefix $(obj),$(SOBJS))
-
-$(LIB): $(obj).depend $(OBJS) $(SOBJS)
- $(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y := rsk7203.o
+obj-y += lowlevel_init.o