Hello, I am trying to load a custom device tree overlay file in the `extlinux/extlinux.conf` file (Kirkstone branch and beaglebone yocto machine). At boot time uboot complains:
``` Invalid fdtoverlay_addr_r for loading overlays ``` Full uboot output till that point: ``` U-Boot 2022.01 (Jan 10 2022 - 18:46:34 +0000) CPU : AM335X-GP rev 2.1 Model: TI AM335x BeagleBone Black DRAM: 512 MiB WDT: Started wdt@44e35000 with servicing (60s timeout) NAND: 0 MiB MMC: OMAP SD/MMC: 0, OMAP SD/MMC: 1 Loading Environment from FAT... Unable to read "uboot.env" from mmc0:1... <ethaddr> not set. Validating first E-fuse MAC Net: eth2: ethernet@4a100000, eth3: usb_ether Hit any key to stop autoboot: 0 switch to partitions #0, OK mmc0 is current device Scanning mmc 0:1... Found /extlinux/extlinux.conf Retrieving file: /extlinux/extlinux.conf 1: Yocto Retrieving file: /zImage append: root=PARTUUID=18e99beb-02 rootwait console=ttyS0,115200 Retrieving file: /am335x-bonegreen.dtb Invalid fdtoverlay_addr_r for loading overlays Kernel image @ 0x82000000 [ 0x000000 - 0x77b738 ] ## Flattened Device Tree blob at 88000000 Booting using the fdt blob at 0x88000000 Loading Device Tree to 8ffed000, end 8ffff9dc ... OK ``` Where, how and to what values can I set this variable, so it is possible to load the `dtbo` file? I have found some references here: https://docs.u-boot.org/en/latest/develop/bootstd.html , but still cannot figure out how to configure this in the yocto build. I would appreciate all help.
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