mpc83xx: convert all remaining boards over to 83XX_GENERIC_PCI

Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
diff --git a/board/freescale/mpc837xemds/Makefile b/board/freescale/mpc837xemds/Makefile
index a97116c..c34905c 100644
--- a/board/freescale/mpc837xemds/Makefile
+++ b/board/freescale/mpc837xemds/Makefile
@@ -25,8 +25,10 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o pci.o
+COBJS-y += $(BOARD).o
+COBJS-$(CONFIG_PCI) += pci.o
 
+COBJS	:= $(COBJS-y)
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))
 SOBJS	:= $(addprefix $(obj),$(SOBJS))