[ARM] S3C: Add i2c1 device definition

Add device definition and support functions for the
second i2c device (i2c1). If this is selected, the first
i2c bus will become index 0 instead of index -1.

Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/arch/arm/plat-s3c/Makefile b/arch/arm/plat-s3c/Makefile
index 187fa95..3fcee0c 100644
--- a/arch/arm/plat-s3c/Makefile
+++ b/arch/arm/plat-s3c/Makefile
@@ -23,3 +23,4 @@
 obj-$(CONFIG_S3C_DEV_HSMMC)	+= dev-hsmmc.o
 obj-$(CONFIG_S3C_DEV_HSMMC1)	+= dev-hsmmc1.o
 obj-y				+= dev-i2c0.o
+obj-$(CONFIG_S3C_DEV_I2C1)	+= dev-i2c1.o