i40e/base: add more virtual channel operations
i40e/base: add more virtual channel operations

Virtual channel operations of I40E_VIRTCHNL_OP_EVENT and
I40E_VIRTCHNL_OP_CONFIG_RSS are added for future use.

Test report: http://www.dpdk.org/ml/archives/dev/2015-May/017384.html

Signed-off-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>
Acked-by: Jijiang Liu <10b95deab7df654d0c21c8c98b54c9a1ecf2a5c0@intel.com>
Tested-by: Min Cao <2a88aab028744885054f990971530d20553769a9@intel.com>

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