i40e/base: add more stats
i40e/base: add more stats

This will help us avoid a whole bunch of log messages when the driver
is running.

Signed-off-by: Jingjing Wu <64d28b617c3b4840f5ded1bfa611cba7fadfe5c7@intel.com>
Acked-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>
Tested-by: Huilong Xu <66b391ba07b4e1e575c4888dad46879fa332fb22@intel.com>

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