/chosen

Colibri iMX8X # setenv fdt_addr 0x83700000
Colibri iMX8X # fatload mmc 0:1 ${fdt_addr} ${dom0fdt_file};
83153 bytes read in 17 ms (4.7 MiB/s)
Colibri iMX8X # fdt addr ${fdt_addr};
Colibri iMX8X # fdt print /chosen
chosen {
	bootargs = "console=ttyLP3,115200 earlycon=lpuart32,0x5a090000,115200";
	stdout-path = "/serial@5a090000";
	#address-cells = <0x00000002>;
	#size-cells = <0x00000002>;
	module@0 {
		bootargs = "earlycon=xen console=hvc0 loglevel=8 root=/dev/mmcblk0p2 rootwait rw";
		xen,dom0-bootargs = "console=dtuart dtuart=ttyLP3 earlycon=lpuart3,0x5a090000,115200";
		compatible = "xen,linux-zimage", "xen,multiboot-module";
		reg = <0x00000000 0x82100000 0x00000000 0x01490a00>;
	};
};