dts: arm: adi: Add MAX32657 SPI instance and binding file

Add SPI node to MAX32657 dtsi file

Signed-off-by: Mert Ekren <mert.ekren@analog.com>

226e230b349on how to improve this.

Author: mertekren

dts/arm/adi/max32/max32657_common.dtsi

@@ -154,6 +154,16 @@
 		clock-source = <ADI_MAX32_PRPH_CLK_SRC_PCLK>;
 		status = "disabled";
 	};
+
+	spi0: spi@46000 {
+		compatible = "adi,max32-spi";
+		reg = <0x46000 0x1000>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		clocks = <&gcr ADI_MAX32_CLOCK_BUS0 6>;
+		interrupts = <12 0>;
+		status = "disabled";
+	};
 };
 
 &nvic {