arm64: dts: imx: Align wifi node name with bindings

Since commit 3c3606793f ("dt-bindings: wireless: bcm4329-fmac: Use
wireless-controller.yaml schema"), bindings expect 'wifi' as node name:

  imx8mm-var-som-symphony.dtb: bcrmf@1: $nodename:0: 'bcrmf@1' does not match '^wifi(@.*)?$'

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Daniel Baluta <daniel.baluta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mm-beacon-som.dtsi

@@ -278,7 +278,7 @@ &usdhc1 {
 	mmc-pwrseq = <&usdhc1_pwrseq>;
 	status = "okay";
 
-	brcmf: bcrmf@1 {
+	brcmf: wifi@1 {
 		reg = <1>;
 		compatible = "brcm,bcm4329-fmac";
 		pinctrl-names = "default";

arch/arm64/boot/dts/freescale/imx8mm-var-som.dtsi

@@ -306,7 +306,7 @@ &usdhc1 {
 	keep-power-in-suspend;
 	status = "okay";
 
-	brcmf: bcrmf@1 {
+	brcmf: wifi@1 {
 		reg = <1>;
 		compatible = "brcm,bcm4329-fmac";
 	};

arch/arm64/boot/dts/freescale/imx8mn-beacon-som.dtsi

@@ -289,7 +289,7 @@ &usdhc1 {
 	mmc-pwrseq = <&usdhc1_pwrseq>;
 	status = "okay";
 
-	brcmf: bcrmf@1 {
+	brcmf: wifi@1 {
 		reg = <1>;
 		compatible = "brcm,bcm4329-fmac";
 		pinctrl-names = "default";

arch/arm64/boot/dts/freescale/imx8mn-bsh-smm-s2-common.dtsi

@@ -265,7 +265,7 @@ &usdhc2 {
 	non-removable;
 	status = "okay";
 
-	brcmf: bcrmf@1 {
+	brcmf: wifi@1 {
 		compatible = "brcm,bcm4329-fmac";
 		reg = <1>;
 		pinctrl-names = "default";

arch/arm64/boot/dts/freescale/imx8mn-var-som.dtsi

@@ -300,7 +300,7 @@ &usdhc1 {
 	keep-power-in-suspend;
 	status = "okay";
 
-	brcmf: bcrmf@1 {
+	brcmf: wifi@1 {
 		reg = <1>;
 		compatible = "brcm,bcm4329-fmac";
 	};

arch/arm64/boot/dts/freescale/imx8mp-dhcom-som.dtsi

@@ -590,7 +590,7 @@ &usdhc1 {
 	#address-cells = <1>;
 	#size-cells = <0>;
 
-	brcmf: bcrmf@1 {	/* muRata 2AE */
+	brcmf: wifi@1 {	/* muRata 2AE */
 		reg = <1>;
 		compatible = "cypress,cyw4373-fmac", "brcm,bcm4329-fmac";
 		/*