OMAP2: add voltage domains and connect to powerdomains

Create basic voltagedomains for OMAP2 and associate OMAP2 powerdomains
with the newly created voltage domains.

While here, update copyright on powerdomain data to 2011.

Signed-off-by: Kevin Hilman <khilman@ti.com>
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index 5a6fe73..cce9bc3 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -91,7 +91,8 @@
 # OMAP voltage domains
 ifeq ($(CONFIG_PM),y)
 voltagedomain-common			:= voltage.o
-obj-$(CONFIG_ARCH_OMAP2)		+= $(voltagedomain-common)
+obj-$(CONFIG_ARCH_OMAP2)		+= $(voltagedomain-common) \
+					   voltagedomains2xxx_data.o
 obj-$(CONFIG_ARCH_OMAP3)		+= $(voltagedomain-common) \
 					   voltagedomains3xxx_data.o
 obj-$(CONFIG_ARCH_OMAP4)		+= $(voltagedomain-common) \