ARM: OMAP2+: Remove unnecessary ifdef around __omap2_set_globals

The function __omap2_set_globals() can be common across all
platforms/architectures, even in case of omap4, internally it
calls same set of functions as in __omap2_set_globals() function
(except for sdrc).
This patch adds new config flag SOC_HAS_OMAP2_SDRC to handle sdrc,
so that we can reuse same function across omap2/3/4...

Signed-off-by: Vaibhav Hiremath <hvaibhav@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 846d445..240f196 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -6,7 +6,7 @@
 obj-y := id.o io.o control.o mux.o devices.o serial.o gpmc.o timer.o pm.o \
 	 common.o gpio.o dma.o wd_timer.o display.o i2c.o hdq1w.o
 
-omap-2-3-common				= irq.o sdrc.o
+omap-2-3-common				= irq.o
 hwmod-common				= omap_hwmod.o \
 					  omap_hwmod_common_data.o
 clock-common				= clock.o clock_common_data.o \
@@ -23,6 +23,7 @@
 endif
 
 obj-$(CONFIG_TWL4030_CORE) += omap_twl.o
+obj-$(CONFIG_SOC_HAS_OMAP2_SDRC)	+= sdrc.o
 
 # SMP support ONLY available for OMAP4