octeontx2-af: Add missing mcs flr handler call

If mcs resources are attached to PF/VF. These resources need
to be freed on FLR. This patch add missing mcs flr call on PF FLR.

Fixes: bd69476e

 ("octeontx2-af: cn10k: mcs: Install a default TCAM for normal traffic")
Signed-off-by: Geetha sowjanya <gakula@marvell.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>