usb: phy: Add snapshot of QTI USB PHY drivers

This change adds USB HSUSB and USB QMP PHY drivers used
on QTI MSM platforms. This snapshot is taken as of
msm-4.9 commit 11273b09e247 ("usb: phy: msm: Remove
phy-msm-usb driver").

Change-Id: I9f349baa5878f7f2a696dc52f048ead54a831c05
Signed-off-by: Jack Pham <jackp@codeaurora.org>