Constify never-modified pci_error_handlers structures.

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 drivers/crypto/qat/qat_common/adf_aer.c         |    2 +-
 drivers/misc/genwqe/card_base.c                 |    2 +-
 drivers/net/ethernet/cavium/liquidio/lio_main.c |    2 +-
 drivers/net/ethernet/sfc/efx.c                  |    2 +-
 drivers/scsi/be2iscsi/be_main.c                 |    2 +-
 drivers/scsi/bfa/bfad.c                         |    2 +-
 drivers/scsi/csiostor/csio_init.c               |    2 +-
 drivers/scsi/mpt3sas/mpt3sas_scsih.c            |    2 +-
 drivers/vfio/pci/vfio_pci.c                     |    2 +-
 9 files changed, 9 insertions(+), 9 deletions(-)