Documentation: networking: devlink-info-versions: Add fw.psid

Add firmware parameter id (fw.psid).

Signed-off-by: Shalom Toledo <shalomt@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Documentation/networking/devlink-info-versions.rst

@@ -41,3 +41,8 @@ fw.ncsi
 
 Version of the software responsible for supporting/handling the
 Network Controller Sideband Interface.
+
+fw.psid
+=======
+
+Unique identifier of the firmware parameter set.