dts: arm: st: stm32u5xx add sai1 node

Add SAI1 A & B nodes on STM32U5 Series

Signed-off-by: Mario Paja <mario.paja@zal.aero>

Author: mariopaja-zal

dts/arm/st/u5/stm32u5.dtsi

@@ -495,6 +495,28 @@
 			status = "disabled";
 		};
 
+		sai1_a: sai1@40015404 {
+			compatible = "st,stm32-sai";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40015404 0x20>;
+			clocks = <&rcc STM32_CLOCK(APB2, 21U)>,
+					 <&rcc STM32_SRC_PLL2_P SAI1_SEL(0)>;
+			dmas = <&gpdma1 1 36 0>;
+			status = "disabled";
+		};
+
+		sai1_b: sai1@40015424 {
+			compatible = "st,stm32-sai";
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0x40015424 0x20>;
+			clocks = <&rcc STM32_CLOCK(APB2, 21U)>,
+					 <&rcc STM32_SRC_PLL2_P SAI1_SEL(0)>;
+			dmas = <&gpdma1 0 37 0>;
+			status = "disabled";
+		};
+
 		timers1: timers@40012c00 {
 			compatible = "st,stm32-timers";
 			reg = <0x40012c00 0x400>;