Turris Mox stores the U-Boot environment in SPI NOR flash. Add the
fw_env.config entry pointing to MTD partition 2 at offset 0x0 with
64 KiB env size and sector size, so userspace tools fw_printenv and
fw_setenv work correctly on this board.
Signed-off-by: Štěpán Dalecký <daleckystepan@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/23421
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>