ARM: dts: da850-evm: add WP and CD to MMC

The legacy mode uses the write protect and card detect but DT does not.
This patch enables Write-Protect and Card-Detect pins for the MMC card, and
the gpio-ranges property sets the gpio pinmuxing for those respective pins.
Signed-off-by: NAdam Ford <aford173@gmail.com>
Signed-off-by: NSekhar Nori <nsekhar@ti.com>

arch/arm/boot/dts/da850-evm.dts

@@ -149,6 +149,8 @@
 	status = "okay";
 	pinctrl-names = "default";
 	pinctrl-0 = <&mmc0_pins>;
+	cd-gpios = <&gpio 64 GPIO_ACTIVE_LOW>;
+	wp-gpios = <&gpio 65 GPIO_ACTIVE_HIGH>;
 };
 
 &spi1 {