[C61] add usdhc1 Murata 1MW support

Murata Type 1MW is based on Infineon CYW43455 chipset and utilizes
Broadcom FullMAC WLAN driver.

arch/arm64/boot/dts/seco/seco-imx8mm-c61.dts

@@ -28,6 +28,16 @@
 		clock-frequency = <100000000>;
 	};
 
+	reg_usdhc1_vmmc: sd1_regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "WLAN_EN";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+		startup-delay-us = <100>;
+		enable-active-high;
+	};
+
 	reg_usdhc2_vmmc: sd2_regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "SD2 PWR_EN";
@@ -775,7 +785,16 @@
 	bus-width = <4>;
 	keep-power-in-suspend;
 	non-removable;
+	pm-ignore-notify;
+	vmmc-supply = <&reg_usdhc1_vmmc>;
 	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	brcmf: bcrmf@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
 };
 
 &usdhc2 {