ARM: dts: remove disable-wp from rk3229-xms6 emmc

Remove the disable-wp attribute from &emmc as it is, according to
Documentation/devicetree/bindings/mmc/mmc-controller.yaml:

    "Not used in combination with eMMC or SDIO."

Suggested-by: Johan Jonker <[email protected]>
Signed-off-by: Justin Swartz <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Heiko Stuebner <[email protected]>

Author: jhswartz

arch/arm/boot/dts/rk3229-xms6.dts

@@ -137,7 +137,6 @@
 
 &emmc {
 	cap-mmc-highspeed;
-	disable-wp;
 	non-removable;
 	status = "okay";
 };