net/ice: support drop action for DCF switch
net/ice: support drop action for DCF switch

This patch adds drop action in DCF switch filter.

Signed-off-by: Simei Su <29f5be16939eb93a77dd0e6425e0455815f0eb68@intel.com>
Acked-by: Qi Zhang <9e9e58ffa71a29bb7b87766b362515be648fcbe0@intel.com>

john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk