dts: r4lite: make emmc work

Author: frank-w

arch/arm64/boot/dts/mediatek/mt7987a-bananapi-bpi-r4-lite-emmc.dtso

@@ -15,12 +15,12 @@
 	pinctrl-names = "default", "state_uhs";
 	pinctrl-0 = <&mmc_pins_default>;
 	pinctrl-1 = <&mmc_pins_uhs>;
-	bus-width = <8>;
-	max-frequency = <200000000>;
+	bus-width = <4>; //due to dat5 = sdmmc cd pin
+	max-frequency = <52000000>;
 	cap-mmc-highspeed;
-	mmc-hs200-1_8v;
-	mmc-hs400-1_8v;
-	hs400-ds-delay = <0x12814>;
+	//mmc-hs200-1_8v;
+	//mmc-hs400-1_8v;
+	//hs400-ds-delay = <0x12814>;
 	vqmmc-supply = <&reg_1p8v>;
 	vmmc-supply = <&reg_3p3v>;
 	non-removable;