drivers: convert makefiles to Kbuild style
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/power/mfd/Makefile b/drivers/power/mfd/Makefile
index 76a05da..43afe84 100644
--- a/drivers/power/mfd/Makefile
+++ b/drivers/power/mfd/Makefile
@@ -5,29 +5,6 @@
# SPDX-License-Identifier: GPL-2.0+
#
-include $(TOPDIR)/config.mk
-
-LIB := $(obj)libmfd.o
-
-COBJS-$(CONFIG_POWER_PMIC_MAX77693) += pmic_max77693.o
-COBJS-$(CONFIG_POWER_MUIC_MAX77693) += muic_max77693.o
-COBJS-$(CONFIG_POWER_FG_MAX77693) += fg_max77693.o
-
-COBJS := $(COBJS-y)
-SRCS := $(COBJS:.o=.c)
-OBJS := $(addprefix $(obj),$(COBJS))
-
-all: $(LIB)
-
-$(LIB): $(obj).depend $(OBJS)
- $(call cmd_link_o_target, $(OBJS))
-
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-########################################################################
+obj-$(CONFIG_POWER_PMIC_MAX77693) += pmic_max77693.o
+obj-$(CONFIG_POWER_MUIC_MAX77693) += muic_max77693.o
+obj-$(CONFIG_POWER_FG_MAX77693) += fg_max77693.o