dts, api, test: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/api/Makefile b/api/Makefile
index 87b8eb2..fb130ff 100644
--- a/api/Makefile
+++ b/api/Makefile
@@ -4,21 +4,5 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB = $(obj)libapi.o
-
-COBJS-$(CONFIG_API) += api.o api_display.o api_net.o api_storage.o \
+obj-$(CONFIG_API) += api.o api_display.o api_net.o api_storage.o \
api_platform-$(ARCH).o
-
-COBJS := $(COBJS-y)
-SRCS := $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend