arm/dt: Add toshiba 720p DSI panel device

Add new device file to enable this device.
This dtsi file will be included only for supported
platform.

Add this device for 8974 CDP platform.

Change-Id: I8d21b50849d85ba87948846e1aff33ade0d95fab
Signed-off-by: Chandan Uddaraju <chandanu@codeaurora.org>
2 files changed