ARM: dts: rockchip: Drop EMMC_RSTN for edgeble-neu2

EMMC_RSTN GPIO1_A3 is connected to FSPI_CLK in Edgeble Neu2
board.

So, drop the same GPIO pin from eMMC.
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Link: https://lore.kernel.org/r/20230731103518.2906147-11-jagan@edgeble.aiSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm/boot/dts/rockchip/rv1126-edgeble-neu2.dtsi

@@ -52,7 +52,7 @@ &emmc {
 	bus-width = <8>;
 	non-removable;
 	pinctrl-names = "default";
-	pinctrl-0 = <&emmc_bus8 &emmc_cmd &emmc_clk &emmc_rstnout>;
+	pinctrl-0 = <&emmc_bus8 &emmc_cmd &emmc_clk>;
 	rockchip,default-sample-phase = <90>;
 	vmmc-supply = <&vcc_3v3>;
 	vqmmc-supply = <&vccio_flash>;