ARM: dts: stm32: Add GPIO LEDs for STM32MP1 DHCOM PDK2

Add bindings for the four GPIO LEDs on DH PDK2 board. Note that LED5
GPIO-E may conflict with touchscreen interrupt, hence LED5 must be
disabled when using the DH 560-200 display unit with touchscreen.
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

arch/arm/boot/dts/stm32mp157c-dhcom-pdk2.dts

@@ -89,6 +89,34 @@ button-3 {
 		};
 	};
 
+	led {
+		compatible = "gpio-leds";
+
+		led-0 {
+			label = "green:led5";
+			gpios = <&gpiog 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-1 {
+			label = "green:led6";
+			gpios = <&gpiod 11 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-2 {
+			label = "green:led7";
+			gpios = <&gpioi 2 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+
+		led-3 {
+			label = "green:led8";
+			gpios = <&gpioi 3 GPIO_ACTIVE_HIGH>;
+			default-state = "off";
+		};
+	};
+
 	panel {
 		compatible = "edt,etm0700g0edh6";
 		backlight = <&display_bl>;