arm64: dts: rockchip: Drop unchanged max-frequency from rk3588 boards

200MHz is the default rk3588 emmc max-frequency added in dtsi, so why
the board DT files are adding the same value explicitly?

Drop that unchanged property value.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230621064507.479891-1-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6a.dtsi

@@ -25,7 +25,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";

arch/arm64/boot/dts/rockchip/rk3588-edgeble-neu6b.dtsi

@@ -25,7 +25,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";

arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts

@@ -149,7 +149,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";

arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts

@@ -217,7 +217,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";

arch/arm64/boot/dts/rockchip/rk3588s-indiedroid-nova.dts

@@ -401,7 +401,6 @@ &sdhci {
 	no-sd;
 	no-sdio;
 	non-removable;
-	max-frequency = <200000000>;
 	vmmc-supply = <&vcc_3v3_s0>;
 	vqmmc-supply = <&vcc_1v8_s3>;
 	status = "okay";
@@ -429,7 +428,6 @@ &sdmmc {
 	cap-mmc-highspeed;
 	cap-sd-highspeed;
 	disable-wp;
-	max-frequency = <200000000>;
 	no-sdio;
 	no-mmc;
 	sd-uhs-sdr104;

arch/arm64/boot/dts/rockchip/rk3588s-khadas-edge2.dts

@@ -25,7 +25,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";

arch/arm64/boot/dts/rockchip/rk3588s-rock-5a.dts

@@ -310,7 +310,6 @@ &sdhci {
 	no-sdio;
 	no-sd;
 	non-removable;
-	max-frequency = <200000000>;
 	mmc-hs400-1_8v;
 	mmc-hs400-enhanced-strobe;
 	status = "okay";