boards: shields: arduino_giga_display_shield: add LED to DT

Added is31fl3197@50 to overlay

Also updated GIGA board yaml file to say that it supports i2c

Signed-off-by: Kurt Eckhardt <[email protected]>

Author: KurtE

boards/arduino/giga_r1/arduino_giga_r1_stm32h747xx_m7.yaml

@@ -12,6 +12,7 @@ supported:
   - gpio
   - arduino_spi
   - spi
+  - i2c
   - memc
   - usb_device
 vendor: arduino

boards/shields/arduino_giga_display_shield/boards/arduino_giga_r1_m7.overlay

@@ -5,6 +5,7 @@
  */
 
 #include <zephyr/dt-bindings/display/panel.h>
+#include <zephyr/dt-bindings/led/led.h>
 
 / {
 	lvgl_pointer {
@@ -93,4 +94,15 @@
 		reset-gpios = <&gpioi 2 GPIO_ACTIVE_LOW>;
 		irq-gpios = <&gpioi 1 GPIO_ACTIVE_HIGH>;
 	};
+	is31fl3197@50 {
+		compatible = "issi,is31fl3197";
+		reg = <0x50>;
+
+		led_rgb {
+			label = "RGB LED";
+			color-mapping = <LED_COLOR_ID_RED>,
+					<LED_COLOR_ID_GREEN>,
+					<LED_COLOR_ID_BLUE>;
+		};
+	};
 };