USB: phy: msm: Add support to reset on board USB devices

Add support to drive reset signal for any connected
peripherals on board in host mode for e.g. hub and
usb-eth devices present on smart audio platform.

Change-Id: I1c3c4bf85aa39ab67ff82dfa858574038318f5fa
Signed-off-by: Arumuga Durai A <cadurai@codeaurora.org>