ARM: dts: msm: Add support for camera for msm8909 target

Add DTS file to enable camera sensor support for
front and back camera with LED flash.
Add sleep and active states for the mclk0, mclk1,
reset, standby gpios as per pinctrl configuration.

Change-Id: I070e66d084f2a5597b80d2e916b94296fbc911d5
Signed-off-by: Mayank Parashar <mayankp@codeaurora.org>