ARM: dts: at91: sam9x60: Add 2D Graphics Engine

The 2D Graphics Engine (GFX2D) is an AHB-protocol drawing engine.
It performs memory data move operation over one master bus port.
Keep the node disabled, as it will be enabled in overlay together
with the LCD.

Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>
[ta: cherry-pick to v5.10]
Signed-off-by: Tudor Ambarus <tudor.ambarus@microchip.com>

Author: ambarus

arch/arm/boot/dts/sam9x60.dtsi

@@ -226,6 +226,17 @@
 				status = "disabled";
 			};
 
+			gpu: gfx2d@f0018000 {
+				compatible = "microchip,sam9x60-gfx2d";
+				reg = <0xf0018000 0x4000>;
+				interrupts = <36 IRQ_TYPE_LEVEL_HIGH 0>;
+				clocks = <&pmc PMC_TYPE_PERIPHERAL 36>;
+				clock-names = "periph_clk";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				status = "disabled";
+			};
+
 			i2s: i2s@f001c000 {
 				compatible = "microchip,sam9x60-i2smcc";
 				reg = <0xf001c000 0x100>;