ixgbe: Do not clear RAR entry when clearing VMDq for SAN MAC

ixgbe: Do not clear RAR entry when clearing VMDq for SAN MAC

Orabug: 24568240

The RAR entry for the SAN MAC address was being cleared when we were
clearing the VMDq pool bits.  In order to prevent this we need to add
an extra check to protect the SAN MAC from being cleared.

Fixes: 6e982aeae ("ixgbe: Clear stale pool mappings")
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Andrew Bowers <andrewx.bowers@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
(cherry picked from commit c10ac75aeed2d8486a73a316ac3a08f85d140894)
Signed-off-by: Brian Maly <brian.maly@oracle.com>