drivers: mtd: convert makefiles to Kbuild style

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/drivers/mtd/nand/Makefile b/drivers/mtd/nand/Makefile
index 366dee6..eb1eafa 100644
--- a/drivers/mtd/nand/Makefile
+++ b/drivers/mtd/nand/Makefile
@@ -5,10 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-LIB	:= $(obj)libnand.o
-
 ifdef CONFIG_CMD_NAND
 
 ifdef CONFIG_SPL_BUILD
@@ -17,77 +13,59 @@
 NORMAL_DRIVERS=y
 endif
 
-COBJS-$(CONFIG_SPL_NAND_AM33XX_BCH) += am335x_spl_bch.o
-COBJS-$(CONFIG_SPL_NAND_DOCG4) += docg4_spl.o
-COBJS-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o
-COBJS-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o
-COBJS-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o
-COBJS-$(CONFIG_SPL_NAND_BASE) += nand_base.o
-COBJS-$(CONFIG_SPL_NAND_INIT) += nand.o
+obj-$(CONFIG_SPL_NAND_AM33XX_BCH) += am335x_spl_bch.o
+obj-$(CONFIG_SPL_NAND_DOCG4) += docg4_spl.o
+obj-$(CONFIG_SPL_NAND_SIMPLE) += nand_spl_simple.o
+obj-$(CONFIG_SPL_NAND_LOAD) += nand_spl_load.o
+obj-$(CONFIG_SPL_NAND_ECC) += nand_ecc.o
+obj-$(CONFIG_SPL_NAND_BASE) += nand_base.o
+obj-$(CONFIG_SPL_NAND_INIT) += nand.o
 
 else # not spl
 
 NORMAL_DRIVERS=y
 
-COBJS-y += nand.o
-COBJS-y += nand_bbt.o
-COBJS-y += nand_ids.o
-COBJS-y += nand_util.o
-COBJS-y += nand_ecc.o
-COBJS-y += nand_base.o
+obj-y += nand.o
+obj-y += nand_bbt.o
+obj-y += nand_ids.o
+obj-y += nand_util.o
+obj-y += nand_ecc.o
+obj-y += nand_base.o
 
 endif # not spl
 
 ifdef NORMAL_DRIVERS
 
-COBJS-$(CONFIG_NAND_ECC_BCH) += nand_bch.o
+obj-$(CONFIG_NAND_ECC_BCH) += nand_bch.o
 
-COBJS-$(CONFIG_NAND_ATMEL) += atmel_nand.o
-COBJS-$(CONFIG_DRIVER_NAND_BFIN) += bfin_nand.o
-COBJS-$(CONFIG_NAND_DAVINCI) += davinci_nand.o
-COBJS-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o
-COBJS-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_nand.o
-COBJS-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o
-COBJS-$(CONFIG_NAND_FSMC) += fsmc_nand.o
-COBJS-$(CONFIG_NAND_JZ4740) += jz4740_nand.o
-COBJS-$(CONFIG_NAND_KB9202) += kb9202_nand.o
-COBJS-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o
-COBJS-$(CONFIG_NAND_KMETER1) += kmeter1_nand.o
-COBJS-$(CONFIG_NAND_MPC5121_NFC) += mpc5121_nfc.o
-COBJS-$(CONFIG_NAND_MXC) += mxc_nand.o
-COBJS-$(CONFIG_NAND_MXS) += mxs_nand.o
-COBJS-$(CONFIG_NAND_NDFC) += ndfc.o
-COBJS-$(CONFIG_NAND_NOMADIK) += nomadik.o
-COBJS-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
-COBJS-$(CONFIG_NAND_SPEAR) += spr_nand.o
-COBJS-$(CONFIG_TEGRA_NAND) += tegra_nand.o
-COBJS-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
-COBJS-$(CONFIG_NAND_PLAT) += nand_plat.o
-COBJS-$(CONFIG_NAND_DOCG4) += docg4.o
+obj-$(CONFIG_NAND_ATMEL) += atmel_nand.o
+obj-$(CONFIG_DRIVER_NAND_BFIN) += bfin_nand.o
+obj-$(CONFIG_NAND_DAVINCI) += davinci_nand.o
+obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_nand.o
+obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_nand.o
+obj-$(CONFIG_NAND_FSL_UPM) += fsl_upm.o
+obj-$(CONFIG_NAND_FSMC) += fsmc_nand.o
+obj-$(CONFIG_NAND_JZ4740) += jz4740_nand.o
+obj-$(CONFIG_NAND_KB9202) += kb9202_nand.o
+obj-$(CONFIG_NAND_KIRKWOOD) += kirkwood_nand.o
+obj-$(CONFIG_NAND_KMETER1) += kmeter1_nand.o
+obj-$(CONFIG_NAND_MPC5121_NFC) += mpc5121_nfc.o
+obj-$(CONFIG_NAND_MXC) += mxc_nand.o
+obj-$(CONFIG_NAND_MXS) += mxs_nand.o
+obj-$(CONFIG_NAND_NDFC) += ndfc.o
+obj-$(CONFIG_NAND_NOMADIK) += nomadik.o
+obj-$(CONFIG_NAND_S3C2410) += s3c2410_nand.o
+obj-$(CONFIG_NAND_SPEAR) += spr_nand.o
+obj-$(CONFIG_TEGRA_NAND) += tegra_nand.o
+obj-$(CONFIG_NAND_OMAP_GPMC) += omap_gpmc.o
+obj-$(CONFIG_NAND_PLAT) += nand_plat.o
+obj-$(CONFIG_NAND_DOCG4) += docg4.o
 
 else  # minimal SPL drivers
 
-COBJS-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_spl.o
-COBJS-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o
-COBJS-$(CONFIG_NAND_MXC) += mxc_nand_spl.o
+obj-$(CONFIG_NAND_FSL_ELBC) += fsl_elbc_spl.o
+obj-$(CONFIG_NAND_FSL_IFC) += fsl_ifc_spl.o
+obj-$(CONFIG_NAND_MXC) += mxc_nand_spl.o
 
 endif # drivers
 endif # nand
-
-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
-
-#########################################################################