arm64: dts: imx8mq-thor96: fix no-mmc property for SDHCI

There is no "no-emmc" property, so intention for SD/SDIO only nodes was
to use "no-mmc".
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mq-thor96.dts

@@ -339,7 +339,7 @@ &usdhc1 {
 	bus-width = <4>;
 	non-removable;
 	no-sd;
-	no-emmc;
+	no-mmc;
 	status = "okay";
 
 	brcmf: wifi@1 {
@@ -359,7 +359,7 @@ &usdhc2 {
 	cd-gpios = <&gpio2 12 GPIO_ACTIVE_LOW>;
 	bus-width = <4>;
 	no-sdio;
-	no-emmc;
+	no-mmc;
 	disable-wp;
 	status = "okay";
 };