net/ice: handle Rx flex descriptor
net/ice: handle Rx flex descriptor

Set the RXDID with flex descriptor type by default, change the Rx
function to support new descriptor handling.

Signed-off-by: Haiyue Wang <037d5f2d0d83548aebdad8ba0c69c0b30ec44c86@intel.com>
Reviewed-by: Xiaolong Ye <c7d6fc2f7e22da80deb234d523238b510a8c0f08@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