arm: dts: msm: Update USB QMP DP PHY settings for sm8150 v2

Add override for SM8150 V2 for USB QMP DP PHY initialization
settings based on V2 version 2.1. These provide V2 specific tuning
for improved USB Gen2 performance.

Change-Id: I7fc838848598bfa155d77b47a74cb62e345bb4c2
Signed-off-by: Jack Pham <jackp@codeaurora.org>