USB: phy-msm-usb: Route HSUSB controller signals to HSPHY2

HSUSB controller can communicate to primary and secondary
PHYs based on the MUX setting which is configurable via
a TCSR register. Enable HSUSB core to communicate with
secondary PHY as primary PHY is used by USB3 core.

Change-Id: Icf2372897d9ae3904d4ce37517fddbafc4c261e9
Signed-off-by: Chandra Devireddy <cdevired@codeaurora.org>
Signed-off-by: Manu Gautam <mgautam@codeaurora.org>