With the addition of GPIO_ACTIVE_LOW parsing in gpio-uclass,
the Rockchip gpio driver doesn't need a custom xlate routine.
Signed-off-by: Eric Nelson <eric@nelint.com>
Acked-by: Simon Glass <sjg@chromium.org>
Provide this method so that 'gpio status' works fully. It now shows
whether a pin is used for input, output or some other function.
Signed-off-by: Simon Glass <sjg@chromium.org>