mpc83xx: Fix missing build for mpc8349emds pci.c

Make pci build for mpc8349emds

Signed-off-by: Tanya Jiang <tanya.jiang@freescale.com>
diff --git a/board/mpc8349emds/Makefile b/board/mpc8349emds/Makefile
index acc9544..5ec7a87 100644
--- a/board/mpc8349emds/Makefile
+++ b/board/mpc8349emds/Makefile
@@ -25,7 +25,7 @@
 
 LIB	= $(obj)lib$(BOARD).a
 
-COBJS	:= $(BOARD).o
+COBJS	:= $(BOARD).o pci.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(COBJS))