configs: dragonboard410c: Save environment data on eMMC

Save the environment data at the end of the boot partition on emmc

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
diff --git a/arch/arm/dts/dragonboard410c-uboot.dtsi b/arch/arm/dts/dragonboard410c-uboot.dtsi
index cc2c175..c3475c4 100644
--- a/arch/arm/dts/dragonboard410c-uboot.dtsi
+++ b/arch/arm/dts/dragonboard410c-uboot.dtsi
@@ -6,6 +6,13 @@
  * SPDX-License-Identifier:	GPL-2.0+
  */
 
+/ {
+	config {
+		u-boot,mmc-env-partition = "boot";
+	};
+};
+
+
 &pm8916_gpios {
 	usb_hub_reset_pm {
 		gpios = <&pm8916_gpios 2 0>;