arm64: dts: qcom: sdm632-fairphone-fp3: Add notification LED

The phone features a notification LED connected to the pmi632. Configure
the RGB led found on it.
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230414-pmi632-v3-2-079d2cada699@z3ntu.xyz

arch/arm64/boot/dts/qcom/sdm632-fairphone-fp3.dts

@@ -4,8 +4,10 @@
  */
 /dts-v1/;
 
+#include <dt-bindings/leds/common.h>
 #include "sdm632.dtsi"
 #include "pm8953.dtsi"
+#include "pmi632.dtsi"
 
 / {
 	model = "Fairphone 3";
@@ -83,6 +85,33 @@ &pm8953_resin {
 	linux,code = <KEY_VOLUMEDOWN>;
 };
 
+&pmi632_lpg {
+	status = "okay";
+
+	multi-led {
+		color = <LED_COLOR_ID_RGB>;
+		function = LED_FUNCTION_STATUS;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		led@1 {
+			reg = <1>;
+			color = <LED_COLOR_ID_RED>;
+		};
+
+		led@2 {
+			reg = <2>;
+			color = <LED_COLOR_ID_GREEN>;
+		};
+
+		led@3 {
+			reg = <3>;
+			color = <LED_COLOR_ID_BLUE>;
+		};
+	};
+};
+
 &sdhc_1 {
 	status = "okay";
 	vmmc-supply = <&pm8953_l8>;