doc: update firmware/driver mapping table for i40e
doc: update firmware/driver mapping table for i40e

Update i40e PMD firmware/driver mapping table.

Signed-off-by: Shougang Wang <f5a73e725f8d9cee87ff8146ba570071ef540761@intel.com>
Acked-by: Jeff Guo <62aa901f8680899d1e8b3d9b45cf4843c2976e1c@intel.com>

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