scsi: pm8001: Demote obvious misuse of kerneldoc and update others

More bitrot issues with function documentation not keeping up with API changes.

Fixes the following W=1 kernel build warning(s):

 drivers/scsi/pm8001/pm8001_init.c:64: warning: cannot understand function prototype: 'const struct pm8001_chip_info pm8001_chips[] = '
 drivers/scsi/pm8001/pm8001_init.c:86: warning: cannot understand function prototype: 'struct scsi_host_template pm8001_sht = '
 drivers/scsi/pm8001/pm8001_init.c:115: warning: cannot understand function prototype: 'struct sas_domain_function_template pm8001_transport_ops = '
 drivers/scsi/pm8001/pm8001_init.c:212: warning: Function parameter or member 'irq' not described in 'pm8001_interrupt_handler_msix'
 drivers/scsi/pm8001/pm8001_init.c:237: warning: Function parameter or member 'irq' not described in 'pm8001_interrupt_handler_intx'
 drivers/scsi/pm8001/pm8001_init.c:265: warning: Function parameter or member 'ent' not described in 'pm8001_alloc'
 drivers/scsi/pm8001/pm8001_init.c:624: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_init_sas_add'
 drivers/scsi/pm8001/pm8001_init.c:624: warning: Excess function parameter 'chip_info' description in 'pm8001_init_sas_add'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Excess function parameter 'chip_info' description in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:900: warning: Excess function parameter 'irq_handler' description in 'pm8001_setup_msix'
 drivers/scsi/pm8001/pm8001_init.c:981: warning: Function parameter or member 'pm8001_ha' not described in 'pm8001_request_irq'
 drivers/scsi/pm8001/pm8001_init.c:981: warning: Excess function parameter 'chip_info' description in 'pm8001_request_irq'

Link: https://lore.kernel.org/r/20200713074645.126138-27-lee.jones@linaro.org


Cc: Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>
Cc: Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>
Cc: Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>