omap4: make omap4 code common for future reuse

Much of omap4 soc support code can be reused for omap5.
Move them to the omap-common directory to facilitate
this.

Signed-off-by: sricharan <r.sricharan@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile
index 1dee81f..ea2545d 100644
--- a/arch/arm/cpu/armv7/omap-common/Makefile
+++ b/arch/arm/cpu/armv7/omap-common/Makefile
@@ -33,6 +33,13 @@
 COBJS	+= gpio.o
 endif
 
+ifdef CONFIG_OMAP44XX
+COBJS	+= hwinit-common.o
+COBJS	+= clocks-common.o
+COBJS	+= emif-common.o
+SOBJS	+= lowlevel_init.o
+endif
+
 ifdef CONFIG_SPL_BUILD
 COBJS	+= spl.o
 ifdef CONFIG_SPL_NAND_SUPPORT
@@ -43,6 +50,12 @@
 endif
 endif
 
+ifndef CONFIG_SPL_BUILD
+ifdef CONFIG_OMAP44XX
+COBJS	+= mem-common.o
+endif
+endif
+
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))