arch: arm: dts: initial u-boot nothing-spacewar dtsi

Author: fekz115

arch/arm/dts/sm7325-nothing-spacewar-u-boot.dtsi

@@ -0,0 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0
+
+&framebuffer0 {
+	/delete-property/ power-domains;
+};
+
+/* This is usually OTG but U-Boot doesn't support that properly */
+&usb_1_dwc3 {
+	dr_mode = "host";
+};