FROMLIST: arm64: dts: qcom: shikra: add WiFi node support

Introduce the WiFi hardware description in shikra.dtsi, including
register space, interrupts, IOMMU configuration and reserved memory.
The node is kept disabled by default and is intended to be enabled
by board-specific device trees.

Signed-off-by: Miaoqing Pan <miaoqing.pan@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260525-shikra-dt-m1-v1-15-f51a9838dbaa@oss.qualcomm.com

Author: miaoqing-quic

arch/arm64/boot/dts/qcom/shikra.dtsi

@@ -2122,6 +2122,29 @@
 				     <GIC_SPI 150 IRQ_TYPE_LEVEL_HIGH 0>;
 		};
 
+		wifi: wifi@c800000 {
+			compatible = "qcom,wcn3990-wifi";
+			reg = <0x0 0x0c800000 0x0 0x800000>;
+			reg-names = "membase";
+			memory-region = <&wlan_mem>;
+			interrupts = <GIC_SPI 358 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 359 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 360 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 361 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 362 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 363 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 364 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 365 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 366 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 367 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 368 IRQ_TYPE_LEVEL_HIGH 0>,
+				     <GIC_SPI 369 IRQ_TYPE_LEVEL_HIGH 0>;
+			iommus = <&apps_smmu 0x1a0 0x1>;
+			qcom,msa-fixed-perm;
+
+			status = "disabled";
+		};
+
 		intc: interrupt-controller@f200000 {
 			compatible = "arm,gic-v3";
 			reg = <0x0 0xf200000 0x0 0x10000>,