usb: phy: Add the interrupt programming sequence for HS PHY

Add the programming sequence to enable, disable and
clear PHY HV interrupts that are triggered on HS wakeup
events.

Change-Id: I2c323d24e86885ccb39407794e372eecc15405a5
Signed-off-by: Sriharsha Allenki <sallenki@codeaurora.org>