usb: dwc3: gadget: Check for disabled LPM quirk

usb: dwc3: gadget: Check for disabled LPM quirk

[ Upstream commit 475e8be53d0496f9bc6159f4abb3ff5f9b90e8de ]

If the device doesn't support LPM, make sure to disable the LPM
capability and don't advertise to the host that it supports it.

Acked-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/9e68527ff932b1646f92a7593d4092a903754666.1618366071.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>