docs: netdev: break down the instance locking info per ops struct

Explicitly list all the ops structs and what locking they provide.
Use "ops locked" as a term for drivers which have ops called under
the instance lock.

Acked-by: Stanislav Fomichev <sdf@fomichev.me>
Reviewed-by: Joe Damato <jdamato@fastly.com>
Link: https://patch.msgid.link/20250408195956.412733-8-kuba@kernel.org


Signed-off-by: Jakub Kicinski <kuba@kernel.org>