Here you go: https://drive.google.com/drive/u/3/folders/1h82sFTn8hgSP7cHXj-ia-HkKDBXbfvrE
V1 needs >= 16 GB, V2 >= 1 GB.
Flash the image contained in “espressobin-<ver>.zip” onto your SD card.
Boot settings for U-Boot:
setenv fdt_name 'boot/armada-3720-community.dtb'
setenv image_name 'boot/openwrt-armada-ESPRESSObin-Image'
setenv bootcmd 'mmc dev 0; ext4load mmc 0:1 $kernel_addr $image_name;ext4load mmc 0:1 $fdt_addr $fdt_name;setenv bootargs $console root=/dev/mmcblk0p1 rw rootwait; booti $kernel_addr - $fdt_addr'
saveenv
reset
The image is vanilla but with added support for Sierra Wireless EM7565.