ARM: dts: msm: Change the default clk for sharp 1080p panel for sdm845

Change the byte clock to 900mhz for 1080p sharp panel and
the necessary phy timings.

Change-Id: Ia21b6f654c3505c9e1b5316f145c6c4e853b6a8a
Signed-off-by: Vara Reddy <varar@codeaurora.org>