scsi: pm8001: Provide function name and fix a misspelling

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

 drivers/scsi/pm8001/pm8001_init.c:192: warning: expecting prototype for tasklet for 64 msi(). Prototype was for pm8001_tasklet() instead
 drivers/scsi/pm8001/pm8001_init.c:872: warning: expecting prototype for pm8001_set_phy_settings_ven_117c_12Gb(). Prototype was for pm8001_set_phy_settings_ven_117c_12G() instead

Link: https://lore.kernel.org/r/20210303144631.3175331-9-lee.jones@linaro.org
Cc: Jack Wang <jinpu.wang@cloud.ionos.com>
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Kumar Santhanam <AnandKumar.Santhanam@pmcs.com>
Cc: Sangeetha Gnanasekaran <Sangeetha.Gnanasekaran@pmcs.com>
Cc: Nikith Ganigarakoppal <Nikith.Ganigarakoppal@pmcs.com>
Cc: linux-scsi@vger.kernel.org
Acked-by: NJack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMartin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/pm8001/pm8001_init.c

@@ -184,7 +184,7 @@ static void pm8001_free(struct pm8001_hba_info *pm8001_ha)
 #ifdef PM8001_USE_TASKLET
 
 /**
- * tasklet for 64 msi-x interrupt handler
+ * pm8001_tasklet() - tasklet for 64 msi-x interrupt handler
  * @opaque: the passed general host adapter struct
  * Note: pm8001_tasklet is common for pm8001 & pm80xx
  */
@@ -864,7 +864,7 @@ void pm8001_get_phy_mask(struct pm8001_hba_info *pm8001_ha, int *phymask)
 }
 
 /**
- * pm8001_set_phy_settings_ven_117c_12Gb : Configure ATTO 12Gb PHY settings
+ * pm8001_set_phy_settings_ven_117c_12G() : Configure ATTO 12Gb PHY settings
  * @pm8001_ha : our adapter
  */
 static