arm64: dts: ti: Add LED controller to phyBOARD-Electra

With commit 9f6ffd0d ("dt-bindings: leds: Convert PCA9532 to dtschema"),
we can now add the LED controller without introducing new dtbs_check warnings.
Add missing I2C LED controller.
Signed-off-by: Wadim Egorov <w.egorov@phytec.de>
Link: https://lore.kernel.org/r/20230505131012.2027309-1-w.egorov@phytec.deSigned-off-by: Vignesh Raghavendra <vigneshr@ti.com>

arch/arm64/boot/dts/ti/k3-am642-phyboard-electra-rdk.dts

@@ -15,6 +15,7 @@
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/leds/common.h>
+#include <dt-bindings/leds/leds-pca9532.h>
 #include <dt-bindings/mux/ti-serdes.h>
 #include <dt-bindings/phy/phy.h>
 #include "k3-am642.dtsi"
@@ -210,6 +211,26 @@ eeprom@51 {
 		pagesize = <16>;
 		reg = <0x51>;
 	};
+
+	led-controller@62 {
+		compatible = "nxp,pca9533";
+		reg = <0x62>;
+
+		led-3 {
+			label = "red:user";
+			type = <PCA9532_TYPE_LED>;
+		};
+
+		led-4 {
+			label = "green:user";
+			type = <PCA9532_TYPE_LED>;
+		};
+
+		led-5 {
+			label = "blue:user";
+			type = <PCA9532_TYPE_LED>;
+		};
+	};
 };
 
 &main_mcan0 {