Revert "usb: dwc3: Change dwc3 irq to oneshot threaded irq"

This reverts 'commit bb2195e5 ("usb: dwc3: Change dwc3
irq to oneshot threaded irq")'.

The original change can affect USB tputs.

Change-Id: I34408a3d268c7fb965445d54dcae334ad83c3964
CRs-Fixed: 1106228
Signed-off-by: Leon Peng <liangyan@codeaurora.org>