net/bnxt: identify duplicate flows

net/bnxt: identify duplicate flows

Conflict resolution feature allows rejection of flows based on
the previously added flows that conflict. For instance, a five
tuple flow is added and then you add a new flow with only 4 tuple
instead having same layer2 details then it will be rejected.

Signed-off-by: Kishore Padmanabha <kishore.padmanabha@broadcom.com>
Signed-off-by: Venkat Duvvuru <venkatkumar.duvvuru@broadcom.com>
Reviewed-by: Mike Baucom <michael.baucom@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>