ARM: dts: rockchip: remove excess sd properties from firefly reload

Because of a bug in hardware design, the sdcard at firefly
rk3288 reload board can't switch the io voltage level to 1.8v.

Signed-off-by: Randy Li <ayaka@soulik.info>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rk3288-firefly-reload.dts

@@ -207,11 +207,6 @@
 	num-slots = <1>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&sdmmc_clk>, <&sdmmc_cmd>, <&sdmmc_cd>, <&sdmmc_bus4>;
-	sd-uhs-sdr12;
-	sd-uhs-sdr25;
-	sd-uhs-sdr50;
-	sd-uhs-sdr104;
-	sd-uhs-ddr50;
 	vmmc-supply = <&vcc_sd>;
 	vqmmc-supply = <&vccio_sd>;
 	status = "okay";