USB: dwc3: Reinitialize SSPHY parameters after SSPHY RESET

As part of exiting low power mode, dwc3-msm driver will reset
SSPHY to bring SSPHY out of retention. This reset does reset
control registers inside SSPHY to default values. Hence
reinitialize SSPHY parameters by overriding using QSCRATCH CR
interface.

Change-Id: I019a9666198a10256eebc47600652b91a59a40a4
Signed-off-by: Vijayavardhan Vennapusa <vvreddy@codeaurora.org>