ethdev: add hash configuration
ethdev: add hash configuration

In order to support hash filter configuration, filter type of hash
is added, also the corresponding structures, macros and definitions
are added.

Signed-off-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>
Acked-by: Konstantin Ananyev <cbd5212b59ab42a210d72992d23a3aa17cfd3eaf@intel.com>

tsphillips/dpdk-fork,venkynv/dpdk-mirror,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,mixja/dpdk,mixja/dpdk,mixja/dpdk,msune/dpdk,john-mcnamara-intel/dpdk,john-mcnamara-intel/dpdk,tsphillips/dpdk-fork,venkynv/dpdk-mirror,mixja/dpdk,venkynv/dpdk-mirror,venkynv/dpdk-mirror,msune/dpdk,msune/dpdk,tsphillips/dpdk-fork,msune/dpdk,tsphillips/dpdk-fork