While the USB PHY Device Tree mandates that the name of the VBUS detect pin
should be usb0_vbus_det-gpios, a significant number of device tree use
usb0_vbus_det-gpio instead.

This was functional because the GPIO framework falls back to the gpio
suffix that is legacy, but we should fix this.
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>