ARM: dts: msm: update PHY settings for 2k sharp panel

Porch values for sharp 2k panel have been adjusted to solve
performance related issues. Update the PHY settings
according to the new values.

Change-Id: I6407fff881d54e1eace7d76f814a64bf84c275cb
Signed-off-by: Anusha Koduru <kanusha@codeaurora.org>