net/mlx5: Introduce new uplink destination type

net/mlx5: Introduce new uplink destination type

BugLink: https://bugs.launchpad.net/bugs/1966194
The uplink destination type should be used in rules to steer the
packet to the uplink when the device is in steering based LAG mode.

Signed-off-by: Maor Gottlieb <maorg@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
(cherry picked from commit 58a606dba708f114e7f412b5c3024027e8a73e34)
Signed-off-by: dann frazier <dann.frazier@canonical.com>
Acked-by: Tim Gardner <tim.gardner@canonical.com>
Acked-by: Paolo Pisati <paolo.pisati@canonical.com>