scsi: cxlflash: Fix a little doc-rot

scsi: cxlflash: Fix a little doc-rot

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

 drivers/scsi/cxlflash/main.c:1369: warning: Function parameter or member 'hwq' not described in 'process_hrrq'
 drivers/scsi/cxlflash/main.c:1369: warning: Excess function parameter 'afu' description in 'process_hrrq'
 drivers/scsi/cxlflash/main.c:2005: warning: Function parameter or member 'index' not described in 'init_mc'
 drivers/scsi/cxlflash/main.c:3303: warning: Function parameter or member 'lunprov' not described in 'cxlflash_lun_provision'
 drivers/scsi/cxlflash/main.c:3303: warning: Excess function parameter 'arg' description in 'cxlflash_lun_provision'
 drivers/scsi/cxlflash/main.c:3397: warning: Function parameter or member 'afu_dbg' not described in 'cxlflash_afu_debug'
 drivers/scsi/cxlflash/main.c:3397: warning: Excess function parameter 'arg' description in 'cxlflash_afu_debug'

Link: https://lore.kernel.org/r/20210317091230.2912389-32-lee.jones@linaro.org
Cc: "Manoj N. Kumar" <manoj@linux.ibm.com>
Cc: "Matthew R. Ochs" <mrochs@linux.ibm.com>
Cc: Uma Krishnan <ukrishn@linux.ibm.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: linux-scsi@vger.kernel.org
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>