Use tunneled MGIR to obtain PSID of line card device and extend
device_info_get() op to fill up the info with that.
Example:
$ devlink dev info auxiliary/mlxsw_core.lc.0
auxiliary/mlxsw_core.lc.0:
versions:
fixed:
hw.revision 0
fw.psid MT_0000000749
running:
ini.version 4
fw 19.2010.1312
Signed-off-by: Jiri Pirko <jiri@nvidia.com>
Reviewed-by: Ido Schimmel <idosch@nvidia.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>