scsi: aic94xx: Fix asd_erase_nv_sector()'s header

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

 drivers/scsi/aic94xx/aic94xx_sds.c:1253: warning: expecting prototype for asd_hwi_erase_nv_sector(). Prototype was for asd_erase_nv_sector() instead

Link: https://lore.kernel.org/r/20210303144631.3175331-15-lee.jones@linaro.org
Cc: "James E.J. Bottomley" <jejb@linux.ibm.com>
Cc: "Martin K. Petersen" <martin.petersen@oracle.com>
Cc: Jason Yan <yanaijie@huawei.com>
Cc: John Garry <john.garry@huawei.com>
Cc: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Cc: Luben Tuikov <luben_tuikov@adaptec.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>

drivers/scsi/aic94xx/aic94xx_sds.c

@@ -1244,7 +1244,7 @@ int asd_chk_write_status(struct asd_ha_struct *asd_ha,
 }
 
 /**
- * asd_hwi_erase_nv_sector - Erase the flash memory sectors.
+ * asd_erase_nv_sector - Erase the flash memory sectors.
  * @asd_ha: pointer to the host adapter structure
  * @flash_addr: pointer to offset from flash memory
  * @size: total bytes to erase.