arm64: dts: rockchip: Remove undocumented supports-emmc property

supports-emmc is an undocumented property that slipped into the mainline
kernel devicetree for some boards. Drop it.

Fixes: c484cf93f6 ("arm64: dts: rockchip: add PX30-µQ7 (Ringneck) SoM with Haikou baseboard")
Cc: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Fixes: b8c0287829 ("arm64: dts: rockchip: Add DTS for FriendlyARM NanoPi R2S Plus")
Cc: Sergey Bostandzhyan <jin@mediatomb.cc>
Fixes: 8d94da58de ("arm64: dts: rockchip: Add EmbedFire LubanCat 1")
Cc: Wenhao Cui <lasstp5011@gmail.com>
Fixes: cdf46cdbab ("arm64: dts: rockchip: Add dts for EmbedFire rk3568 LubanCat 2")
Cc: Andy Yan <andyshrk@163.com>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20241008203940.2573684-6-heiko@sntech.de
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/px30-ringneck.dtsi

@@ -66,7 +66,6 @@
 	bus-width = <8>;
 	cap-mmc-highspeed;
 	mmc-hs200-1_8v;
-	supports-emmc;
 	mmc-pwrseq = <&emmc_pwrseq>;
 	non-removable;
 	vmmc-supply = <&vcc_3v3>;

arch/arm64/boot/dts/rockchip/rk3328-nanopi-r2s-plus.dts

@@ -27,6 +27,5 @@
 	num-slots = <1>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
-	supports-emmc;
 	status = "okay";
 };

arch/arm64/boot/dts/rockchip/rk3566-lubancat-1.dts

@@ -507,7 +507,6 @@
 	non-removable;
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd>;
-	supports-emmc;
 	status = "okay";
 };
 

arch/arm64/boot/dts/rockchip/rk3568-lubancat-2.dts

@@ -589,7 +589,6 @@
 	non-removable;
 	pinctrl-names = "default";
 	pinctrl-0 = <&emmc_bus8 &emmc_clk &emmc_cmd>;
-	supports-emmc;
 	status = "okay";
 };