ixgbe: fixup header for ixgbe_set_rxpba_82598

The header above this function did not match the function prototype.
This patch rewords the comment to specify the correct parameters.

Signed-off-by: Jacob Keller <jacob.e.keller@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>

diff --cc drivers/net/ethernet/intel/ixgbe/ixgbe_82598.c
Simple merge