ARM: tegra: add SD wp-gpios to Dalmore DT

Dalmore can detect write-protect on the SD card. Add the required
DT entries to allow this.
Signed-off-by: NStephen Warren <swarren@nvidia.com>

arch/arm/boot/dts/tegra114-dalmore.dts

@@ -1106,6 +1106,7 @@
 
 	sdhci@78000400 {
 		cd-gpios = <&gpio TEGRA_GPIO(V, 2) GPIO_ACTIVE_LOW>;
+		wp-gpios = <&gpio TEGRA_GPIO(Q, 4) GPIO_ACTIVE_HIGH>;
 		bus-width = <4>;
 		status = "okay";
 	};