arm64: dts: rockchip: Enable RTC for edgeble-neu6b

Add RTC support for Edgeble Neu6B NCM IO board.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230713143941.1756849-5-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b-io.dts

@@ -25,6 +25,30 @@ &combphy0_ps {
 	status = "okay";
 };
 
+&i2c6 {
+	status = "okay";
+
+	hym8563: rtc@51 {
+		compatible = "haoyu,hym8563";
+		reg = <0x51>;
+		interrupt-parent = <&gpio0>;
+		interrupts = <RK_PB0 IRQ_TYPE_LEVEL_LOW>;
+		#clock-cells = <0>;
+		clock-output-names = "hym8563";
+		pinctrl-names = "default";
+		pinctrl-0 = <&hym8563_int>;
+		wakeup-source;
+	};
+};
+
+&pinctrl {
+	hym8563 {
+		hym8563_int: hym8563-int {
+			rockchip,pins = <0 RK_PB0 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+};
+
 &sata0 {
 	status = "okay";
 };