usb: dwc3-msm: replace wakelock with wakeup source

As the wakelock API is now banned, use the underlying
wakeup_source-based implementation directly.

Change-Id: Id6abe00f77b94b4fe82af19def5138e3286ed456
Signed-off-by: Jack Pham <jackp@codeaurora.org>
1 file changed