msmfb: mdss: add request for DSI clock for DSI controller

DSI clock is the core clock for DSI controller.  Turn on the DSI controller
before issuing panel on DSI commands, and switch to DSI command mode before
sending panel off commands.

Change-Id: I0cda9619ebbb61600d8f0a80668bf4b4501ac799
Signed-off-by: Xiaoming Zhou <zhoux@codeaurora.org>
5 files changed