ARM: dts: rockchip: change gpio nodenames

Currently all gpio nodenames are sort of identical to there label.
Nodenames should be of a generic type, so change them all.

Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20211007144019.7461-2-jbx6244@gmail.com


Signed-off-by: Heiko Stuebner <heiko@sntech.de>