ixgbe: cleanup allocation and freeing of IRQ affinity hint

ixgbe: cleanup allocation and freeing of IRQ affinity hint

The allocation and freeing of the IRQ affinity hint needs some updates
since there are a number of spots where we run into possible issues with
the hint not being correctly updated.

(cherry picked from commit 207867f583f63449a5e5588690754f1b86e3cbbf)
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>