usb: dwc3-msm: Try core reset and reinit if PHY PLL lock fails

Add support for retrying core reset and re-initialization in host
mode if the PHY PLL lock failure is seen. Also, increase the lock
timeout to 50 msec.

Change-Id: I8c8db60dcd73b7cf05598538d0c519b1b1e2417f
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>