This is already done in userspace. In addition, it's hard to do in nvmem
as they rely on non standard locations.
Signed-off-by: Rosen Penev <rosenp@gmail.com>
Link: https://github.com/openwrt/openwrt/pull/21035
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>