Define the USB-C orientation GPIOs so that the USB-C ports orientation
is known without having to resort to the altmode notifications.

On PCB level this is the signal from PM7250B (pin CC_OUT) which is
called USB_PHY_PS.
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20240411-fp5-usb-c-gpio-v1-1-78f11deb940a@fairphone.comSigned-off-by: Bjorn Andersson <andersson@kernel.org>