i40e: fix typo in a comment
i40e: fix typo in a comment

This patch fixes a typo in a comment in the definition of
the i40e_pf struct.

Fixes: 4861cde46116 ("i40e: new poll mode driver")

Signed-off-by: Rami Rosen <7f5a0f674127d5d5a91ecfe3b41be456d732af3d@intel.com>
Acked-by: Helin Zhang <aba9dfdb1a6ec8bf1ff66b95272c029f8dfde1b1@intel.com>

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