dts: arm: stm32U5 add a DMA node for the GPDMA1 instance

This commit defines the GPDMA peripheral for the stm32U5.
This dma is of a new type with 16 channels and 114 requests.

Signed-off-by: Francois Ramu <[email protected]>

Author: FRASTM

dts/arm/st/u5/stm32u5.dtsi

@@ -583,6 +583,19 @@
 			interrupts = <106 0>;
 			status = "disabled";
 		};
+
+		gpdma1: dma@40020000 {
+			compatible = "st,stm32u5-dma";
+			#dma-cells = <3>;
+			reg = <0x40020000 0x400>;
+			interrupts = <29 0 30 0 31 0 32 0 33 0 34 0 35 0 36 0
+					80 0 81 0 82 0 83 0 84 0 85 0 86 0 87 0>;
+			clocks = <&rcc STM32_CLOCK_BUS_AHB1 0x1>;
+			dma-channels = <16>;
+			dma-requests = <114>;
+			dma-offset = <0>;
+			status = "disabled";
+		};
 	};
 };