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/[e-mail]
Cc: Jack Wang <[e-mail]>
Cc: "James E.J. Bottomley" <[e-mail]>
Cc: "Martin K. Petersen" <[e-mail]>
Cc: Kumar Santhanam <[e-mail]>
Cc: Sangeetha Gnanasekaran <[e-mail]>
Cc: Nikith Ganigarakoppal <[e-mail]>
Cc: [e-mail]
Acked-by: Jack Wang <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/pm8001/pm8001_init.c

···
 #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
  */
···
 }
 
 /**
- * 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