board: powerpc: convert makefiles to Kbuild style

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Kim Phillips <kim.phillips@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Cc: Stefan Roese <sr@denx.de>
diff --git a/board/freescale/common/Makefile b/board/freescale/common/Makefile
index f9550c4..25f063d 100644
--- a/board/freescale/common/Makefile
+++ b/board/freescale/common/Makefile
@@ -5,14 +5,6 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-include $(TOPDIR)/config.mk
-
-ifneq ($(OBJTREE),$(SRCTREE))
-$(shell mkdir -p $(obj)board/freescale/common)
-endif
-
-LIB	= $(obj)libfreescale.o
-
 MINIMAL=
 
 ifdef CONFIG_SPL_BUILD
@@ -22,62 +14,42 @@
 endif
 
 ifndef MINIMAL
-COBJS-$(CONFIG_FSL_CADMUS)	+= cadmus.o
-COBJS-$(CONFIG_FSL_VIA)		+= cds_via.o
-COBJS-$(CONFIG_FMAN_ENET)	+= fman.o
-COBJS-$(CONFIG_FSL_PIXIS)	+= pixis.o
+obj-$(CONFIG_FSL_CADMUS)	+= cadmus.o
+obj-$(CONFIG_FSL_VIA)		+= cds_via.o
+obj-$(CONFIG_FMAN_ENET)	+= fman.o
+obj-$(CONFIG_FSL_PIXIS)	+= pixis.o
 ifndef CONFIG_SPL_BUILD
-COBJS-$(CONFIG_FSL_NGPIXIS)	+= ngpixis.o
+obj-$(CONFIG_FSL_NGPIXIS)	+= ngpixis.o
 endif
-COBJS-$(CONFIG_FSL_QIXIS)	+= qixis.o
-COBJS-$(CONFIG_PQ_MDS_PIB)	+= pq-mds-pib.o
+obj-$(CONFIG_FSL_QIXIS)	+= qixis.o
+obj-$(CONFIG_PQ_MDS_PIB)	+= pq-mds-pib.o
 ifndef CONFIG_SPL_BUILD
-COBJS-$(CONFIG_ID_EEPROM)	+= sys_eeprom.o
+obj-$(CONFIG_ID_EEPROM)	+= sys_eeprom.o
 endif
-COBJS-$(CONFIG_FSL_SGMII_RISER)	+= sgmii_riser.o
+obj-$(CONFIG_FSL_SGMII_RISER)	+= sgmii_riser.o
 ifndef CONFIG_RAMBOOT_PBL
-COBJS-$(CONFIG_FSL_FIXED_MMC_LOCATION)	+= sdhc_boot.o
+obj-$(CONFIG_FSL_FIXED_MMC_LOCATION)	+= sdhc_boot.o
 endif
 
-COBJS-$(CONFIG_MPC8541CDS)	+= cds_pci_ft.o
-COBJS-$(CONFIG_MPC8548CDS)	+= cds_pci_ft.o
-COBJS-$(CONFIG_MPC8555CDS)	+= cds_pci_ft.o
+obj-$(CONFIG_MPC8541CDS)	+= cds_pci_ft.o
+obj-$(CONFIG_MPC8548CDS)	+= cds_pci_ft.o
+obj-$(CONFIG_MPC8555CDS)	+= cds_pci_ft.o
 
-COBJS-$(CONFIG_MPC8536DS)	+= ics307_clk.o
-COBJS-$(CONFIG_MPC8572DS)	+= ics307_clk.o
-COBJS-$(CONFIG_P1022DS)		+= ics307_clk.o
-COBJS-$(CONFIG_P2020DS)		+= ics307_clk.o
-COBJS-$(CONFIG_P3041DS)		+= ics307_clk.o
-COBJS-$(CONFIG_P4080DS)		+= ics307_clk.o
-COBJS-$(CONFIG_P5020DS)		+= ics307_clk.o
-COBJS-$(CONFIG_P5040DS)		+= ics307_clk.o
-COBJS-$(CONFIG_VSC_CROSSBAR)    += vsc3316_3308.o
-COBJS-$(CONFIG_IDT8T49N222A)	+= idt8t49n222a_serdes_clk.o
+obj-$(CONFIG_MPC8536DS)	+= ics307_clk.o
+obj-$(CONFIG_MPC8572DS)	+= ics307_clk.o
+obj-$(CONFIG_P1022DS)		+= ics307_clk.o
+obj-$(CONFIG_P2020DS)		+= ics307_clk.o
+obj-$(CONFIG_P3041DS)		+= ics307_clk.o
+obj-$(CONFIG_P4080DS)		+= ics307_clk.o
+obj-$(CONFIG_P5020DS)		+= ics307_clk.o
+obj-$(CONFIG_P5040DS)		+= ics307_clk.o
+obj-$(CONFIG_VSC_CROSSBAR)    += vsc3316_3308.o
+obj-$(CONFIG_IDT8T49N222A)	+= idt8t49n222a_serdes_clk.o
 
 # deal with common files for P-series corenet based devices
-SUBLIB-$(CONFIG_P2041RDB)	+= p_corenet/libp_corenet.o
-SUBLIB-$(CONFIG_P3041DS)	+= p_corenet/libp_corenet.o
-SUBLIB-$(CONFIG_P4080DS)	+= p_corenet/libp_corenet.o
-SUBLIB-$(CONFIG_P5020DS)	+= p_corenet/libp_corenet.o
-SUBLIB-$(CONFIG_P5040DS)	+= p_corenet/libp_corenet.o
+obj-$(CONFIG_P2041RDB)	+= p_corenet/
+obj-$(CONFIG_P3041DS)	+= p_corenet/
+obj-$(CONFIG_P4080DS)	+= p_corenet/
+obj-$(CONFIG_P5020DS)	+= p_corenet/
+obj-$(CONFIG_P5040DS)	+= p_corenet/
 endif
-
-SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS-y))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
-SUBLIB	:= $(addprefix $(obj),$(SUBLIB-y))
-
-$(LIB):	$(obj).depend $(OBJS) $(SUBLIB)
-	$(call cmd_link_o_target, $(OBJS) $(SUBLIB))
-
-$(SUBLIB): $(obj).depend
-	$(MAKE) -C $(dir $(subst $(obj),,$@))
-
-#########################################################################
-
-# defines $(obj).depend target
-include $(SRCTREE)/rules.mk
-
-sinclude $(obj).depend
-
-#########################################################################