arm: dts: imx8mm-beacon: Resync dtsi with Kernel 5.17-rc1

Resync the SOM and baseboar files with the device trees that will
be included in 5.17-RC1 when it's cut.  This will improve pinmuxing
for USDHC1 and add USB functionality.

Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
diff --git a/arch/arm/dts/imx8mm-beacon-som.dtsi b/arch/arm/dts/imx8mm-beacon-som.dtsi
index d897913..cf07987 100644
--- a/arch/arm/dts/imx8mm-beacon-som.dtsi
+++ b/arch/arm/dts/imx8mm-beacon-som.dtsi
@@ -91,7 +91,7 @@
 		#size-cells = <1>;
 		compatible = "jedec,spi-nor";
 		spi-max-frequency = <80000000>;
-		spi-tx-bus-width = <4>;
+		spi-tx-bus-width = <1>;
 		spi-rx-bus-width = <4>;
 	};
 };
@@ -256,12 +256,13 @@
 &usdhc1 {
 	#address-cells = <1>;
 	#size-cells = <0>;
-	pinctrl-names = "default";
+	pinctrl-names = "default", "state_100mhz", "state_200mhz";
 	pinctrl-0 = <&pinctrl_usdhc1>;
+	pinctrl-1 = <&pinctrl_usdhc1_100mhz>;
+	pinctrl-2 = <&pinctrl_usdhc1_200mhz>;
 	bus-width = <4>;
 	non-removable;
 	cap-power-off-card;
-	pm-ignore-notify;
 	keep-power-in-suspend;
 	mmc-pwrseq = <&usdhc1_pwrseq>;
 	status = "okay";