dt-bindings: pinctrl: rockchip: update example

The Rockchip dtsi and dts files have been bulk-converted for the
remaining raw gpio numbers into their descriptive counterparts and
also got rid of the unhelpful RK_FUNC_x -> x and RK_GPIOx -> x
mappings, so update the example as well.
Signed-off-by: Johan Jonker <jbx6244@gmail.com>
Link: https://lore.kernel.org/r/20200512203524.7317-2-jbx6244@gmail.comSigned-off-by: Linus Walleij <linus.walleij@linaro.org>

Documentation/devicetree/bindings/pinctrl/rockchip,pinctrl.txt

@@ -110,8 +110,8 @@ pinctrl@20008000 {
 
 	uart2 {
 		uart2_xfer: uart2-xfer {
-			rockchip,pins = <RK_GPIO1 8 1 &pcfg_pull_default>,
-					<RK_GPIO1 9 1 &pcfg_pull_default>;
+			rockchip,pins = <1 RK_PB0 1 &pcfg_pull_default>,
+					<1 RK_PB1 1 &pcfg_pull_default>;
 		};
 	};
 };