ARM: dts: imx7d-smegw01: Replace 'enable-sdio-wakeup'

As explained in Documentation/devicetree/bindings/mmc/mmc-controller.yaml,
the 'enable-sdio-wakeup' property is considered deprecated.

Replace it with the 'wakeup-source' property instead.

Signed-off-by: Fabio Estevam <[e-mail]>
Signed-off-by: Shawn Guo <[e-mail]>

arch/arm/boot/dts/imx7d-smegw01.dts

···
 	pinctrl-0 = <&pinctrl_usdhc1>;
 	cd-gpios = <&gpio5 0 GPIO_ACTIVE_LOW>;
 	no-1-8-v;
-	enable-sdio-wakeup;
+	wakeup-source;
 	keep-power-in-suspend;
 	status = "okay";
 };
···
 	sd-uhs-ddr50;
 	mmc-ddr-1_8v;
 	vmmc-supply = <&reg_wifi>;
-	enable-sdio-wakeup;
+	wakeup-source;
 	status = "okay";
 };