This changes enable ipq807x usb phy definition
build in ipq60xx platform.

Both ipq807x & ipq60xx support same usb phy drivers

Change-Id: Iaa4dd5d2541da189f7c253fe3fe4601ba6fa1670
Signed-off-by: Vandhiadevan Karunamoorthy <vkarunam@codeaurora.org>