usb: dwc3-am62: Enable as a wakeup source by default

USB module can wakeup system. Enable it as a wakeup source
by default. Finer grain wakeup enable/disable can be done
from the power/wakeup system control file of the respective
USB device.
Signed-off-by: Roger Quadros <rogerq@kernel.org>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/20230316131226.89540-3-rogerq@kernel.orgSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/usb/dwc3/dwc3-am62.c

@@ -241,6 +241,9 @@ static int dwc3_ti_probe(struct platform_device *pdev)
 
 	/* Device has capability to wakeup system from sleep */
 	device_set_wakeup_capable(dev, true);
+	ret = device_wakeup_enable(dev);
+	if (ret)
+		dev_err(dev, "couldn't enable device as a wakeup source: %d\n", ret);
 
 	/* Setting up autosuspend */
 	pm_runtime_set_autosuspend_delay(dev, DWC3_AM62_AUTOSUSPEND_DELAY);