riscv: dts: jh7100-beaglev-starlight: allow 50MHz on sdio1

Now that the input clock is calculated correctly we should be able to
allow the full 50MHz SD High Speed on the sdio1 interface to the wifi
module.

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>

arch/riscv/boot/dts/starfive/jh7100-beaglev-starlight.dts

@@ -531,7 +531,6 @@
 	cap-sd-highspeed;
 	cap-sdio-irq;
 	cap-power-off-card;
-	max-frequency = <10000000>;
 	mmc-pwrseq = <&wifi_pwrseq>;
 	non-removable;
 	pinctrl-names = "default";