omap4: add sdram init support

Add support for the SDRAM controller (EMIF).

Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/cpu/armv7/omap4/Makefile b/arch/arm/cpu/armv7/omap4/Makefile
index ac4b2a6..e1ccd68 100644
--- a/arch/arm/cpu/armv7/omap4/Makefile
+++ b/arch/arm/cpu/armv7/omap4/Makefile
@@ -29,7 +29,9 @@
 
 COBJS	+= board.o
 COBJS	+= clocks.o
+COBJS	+= emif.o
 COBJS	+= mem.o
+COBJS	+= sdram_elpida.o
 COBJS	+= sys_info.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)