ARM: dtsi: axp81x: remove IP name from DT node name

The DT node should be named after its functionality and not after the
IP it's defining.
Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/axp81x.dtsi

@@ -53,7 +53,7 @@ axp_adc: adc {
 		#io-channel-cells = <1>;
 	};
 
-	axp_gpio: axp-gpio {
+	axp_gpio: gpio {
 		compatible = "x-powers,axp813-gpio";
 		gpio-controller;
 		#gpio-cells = <2>;