ARM: dts: msm: tune Himax 8379a configuration

Update Himax panel`s mipi clock to 209.7MHZ
as RF`s requirement and modify panel flip
mode.

Change-Id: I26ebfd2a61843e6f04529713cb17d7dcee69b5d4
Signed-off-by: Shuo Yan <shuoy@codeaurora.org>