mips: convert makefiles to Kbuild style

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Daniel Schwierzeck <daniel.schwierzeck@googlemail.com>
diff --git a/board/micronas/vct/Makefile b/board/micronas/vct/Makefile
index ff35a5a..ed28cb8 100644
--- a/board/micronas/vct/Makefile
+++ b/board/micronas/vct/Makefile
@@ -4,32 +4,11 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	= $(obj)lib$(BOARD).o
-
-COBJS-y := $(BOARD).o
-COBJS-y += ebi.o
-COBJS-$(CONFIG_VCT_NOR) += ebi_nor_flash.o
-COBJS-$(CONFIG_VCT_ONENAND) += ebi_onenand.o
-COBJS-$(CONFIG_DRIVER_SMC911X) += ebi_smc911x.o smc_eeprom.o
-COBJS-y += gpio.o
-COBJS-y += top.o
-COBJS-$(CONFIG_USB_EHCI_VCT) += dcgu.o ehci.o scc.o
-
-COBJS	:= $(sort $(COBJS-y))
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
-
-$(LIB):	$(OBJS) $(SOBJS)
-	$(call cmd_link_o_target, $(OBJS) $(SOBJS))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################
+obj-y := vct.o
+obj-y += ebi.o
+obj-$(CONFIG_VCT_NOR) += ebi_nor_flash.o
+obj-$(CONFIG_VCT_ONENAND) += ebi_onenand.o
+obj-$(CONFIG_DRIVER_SMC911X) += ebi_smc911x.o smc_eeprom.o
+obj-y += gpio.o
+obj-y += top.o
+obj-$(CONFIG_USB_EHCI_VCT) += dcgu.o ehci.o scc.o