Blackfin: convert old boards to use COBJS-y Makefile style

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/board/bf533-ezkit/Makefile b/board/bf533-ezkit/Makefile
index 6a45b7c..1260277 100644
--- a/board/bf533-ezkit/Makefile
+++ b/board/bf533-ezkit/Makefile
@@ -29,11 +29,11 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o flash.o
+COBJS-y	:= $(BOARD).o flash.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
 
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
diff --git a/board/bf533-stamp/Makefile b/board/bf533-stamp/Makefile
index 5b5e199..a03fe89 100644
--- a/board/bf533-stamp/Makefile
+++ b/board/bf533-stamp/Makefile
@@ -29,12 +29,13 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS-y               := $(BOARD).o spi_flash.o
+COBJS-y	:= $(BOARD).o
+COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
 COBJS-$(CONFIG_VIDEO) += video.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS-y:.o=.c)
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS-y))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
 
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
diff --git a/board/bf537-stamp/Makefile b/board/bf537-stamp/Makefile
index e5ef9af..cb38b96 100644
--- a/board/bf537-stamp/Makefile
+++ b/board/bf537-stamp/Makefile
@@ -29,11 +29,13 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o post-memory.o spi_flash.o cmd_bf537led.o nand.o
+COBJS-y	:= $(BOARD).o post-memory.o cmd_bf537led.o
+COBJS-$(CONFIG_CMD_EEPROM) += spi_flash.o
+COBJS-$(CONFIG_CMD_NAND)   += nand.o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
 
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)
diff --git a/board/bf537-stamp/nand.c b/board/bf537-stamp/nand.c
index 2866834..181e83d 100644
--- a/board/bf537-stamp/nand.c
+++ b/board/bf537-stamp/nand.c
@@ -23,8 +23,6 @@
 #include <common.h>
 #include <asm/io.h>
 
-#if defined(CONFIG_CMD_NAND)
-
 #include <nand.h>
 
 #define CONCAT(a,b,c,d) a ## b ## c ## d
@@ -100,4 +98,3 @@
 
 	return 0;
 }
-#endif
diff --git a/board/bf561-ezkit/Makefile b/board/bf561-ezkit/Makefile
index e7ee243..daebb74 100644
--- a/board/bf561-ezkit/Makefile
+++ b/board/bf561-ezkit/Makefile
@@ -29,11 +29,11 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS-y	:= $(BOARD).o
 
-SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
-OBJS	:= $(addprefix $(obj),$(COBJS))
-SOBJS	:= $(addprefix $(obj),$(SOBJS))
+SRCS	:= $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c)
+OBJS	:= $(addprefix $(obj),$(COBJS-y))
+SOBJS	:= $(addprefix $(obj),$(SOBJS-y))
 
 $(LIB):	$(obj).depend $(OBJS) $(SOBJS) $(obj)u-boot.lds
 	$(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS)