net/mlx5: Add alias flow table bits

Add all the capabilities needed to check for alias object support.
As well as all the fields or commands needed for its creation and
the creation of flow table that is able to jump to an alias object.

Signed-off-by: Patrisious Haddad <phaddad@nvidia.com>
Reviewed-by: Mark Bloch <mbloch@nvidia.com>
Link: https://lore.kernel.org/r/544c030f2a78c4adf3fe6b64f97a39cc1bbdabb9.1695296682.git.leon@kernel.org


Signed-off-by: Leon Romanovsky <leon@kernel.org>