2k300: pai: fix func1 dts device node

Changelog: 修复2k300pai上func1的dts设备节点
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>

arch/loongarch/boot/dts/ls2k300_vanguard_pi.dts

@@ -28,7 +28,13 @@
 };
 
 &spi1 {
-	status = "disabled";
+	status = "okay";
+
+	spidev0@0 {
+		compatible = "rohm,dh2228fv";
+		reg = <0>;
+		spi-max-frequency = <25000000>;
+	};
 };
 
 &spi2 {
@@ -66,6 +72,11 @@
 	};
 };
 
+&i2c2 {
+	i2c-speed = <400000>;
+	status = "okay";
+};
+
 &can0 {
 	status = "disabled";
 };
@@ -81,3 +92,11 @@
 &can3 {
 	status = "disabled";
 };
+
+&pwm0 {
+	status = "okay";
+};
+
+&pwm1 {
+	status = "okay";
+};