netlink: specs: devlink: add some(not all) missing attributes in devlink.yaml

Add some missing(not all) attributes in devlink.yaml.

Signed-off-by: Swarup Laxman Kotiaklapudi <[email protected]>
Suggested-by: Jiri Pirko <[email protected]>
Reviewed-by: Jiri Pirko <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jakub Kicinski <[email protected]>

Author: swarupkotikalapudi