add gpio-ranges property for imx8qxp soc.

This gpio-range is used to record which GPIOs correspond to which pins on
which pin controllers. The GPIO to PIN mapping will be referenced by the
pad wakeup function in GPIO-MXC driver.
Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>