OMAP: New twl-common for common TWL configuration

Introduce a new file, which will be used to configure
common pmic (TWL) devices, regulators, and TWL audio.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Acked-by: Tony Lindgren <tony@atomide.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index adbe82d..ff1466f 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -269,4 +269,4 @@
 disp-$(CONFIG_OMAP2_DSS)		:= display.o
 obj-y					+= $(disp-m) $(disp-y)
 
-obj-y					+= common-board-devices.o
+obj-y					+= common-board-devices.o twl-common.o