ARM: S5PV210: add common I2C device helpers

This patch adds I2C platform helpers required by s3c2440-i2c driver.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 4828849..606ec84 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -36,6 +36,7 @@
 obj-$(CONFIG_S3C_DEV_HWMON)	+= dev-hwmon.o
 obj-y				+= dev-i2c0.o
 obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o
+obj-$(CONFIG_S3C_DEV_I2C2)	+= dev-i2c2.o
 obj-$(CONFIG_S3C_DEV_FB)	+= dev-fb.o
 obj-y				+= dev-uart.o
 obj-$(CONFIG_S3C_DEV_USB_HOST)	+= dev-usb.o