Merge branch 'mlxsw-Add-devlink-trap-support'

Ido Schimmel says:

====================
mlxsw: Add devlink-trap support

This patchset adds devlink-trap support in mlxsw.

Patches #1-#4 add the necessary APIs and defines in mlxsw.

Patch #5 implements devlink-trap support for layer 2 drops. More drops
will be added in the future.

Patches #6-#7 add selftests to make sure that all the new code paths are
exercised and that the feature is working as expected.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>