The kernel config accidentally contains CONFIG_UBIFS_FS_AUTHENTICATION
which select a number of other unnecessary components, remove them.
The target has at least two subtargets, only one is currently
implemented. Move the Device builds into a file for this subtarget.
Signed-off-by: Caleb James DeLisle <cjd@cjdns.fr>
Link: https://github.com/openwrt/openwrt/pull/20027
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>