ARM: dts: msm: update phy timings for AMOLED fhd plus panel on sdmmagpie

Update phy timings according to the new desired bit rate for sw43404 amoled
fhd plus command mode panel on sdmmagpie target.

Change-Id: I381c42a9ef4dbaeb5a82150e8e7eeb6e20f96a0d
Signed-off-by: Tharun Raj Soma <tsoma@codeaurora.org>