ARM: dts: Add HDMI related I2C nodes for Arndale board

Updated I2C nodes for HDMI-DDC and HDMI-PHY for Arndale board.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>