ixgbe: commonize ixgbe_map_rings_to_vectors to work for all interrupt types

ixgbe: commonize ixgbe_map_rings_to_vectors to work for all interrupt types

This patch makes it so that the map_rings_to_vectors call will work with
all interrupt types.  The advantage to this is that there will now be a
predictable mapping for all given interrupt types.

(cherry picked from commit 4cc6df29d9f4cf90dad8167cbbf5c21810ae56cf)
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: Joe Jin <joe.jin@oracle.com>