scsi: aic7xxx: Fix a function name in comments

Use dma_alloc_coherent() instead of pci_alloc_consistent().

Link: https://lore.kernel.org/r/20210925132931.95-1-caihuoqing@baidu.comSigned-off-by: Cai Huoqing <caihuoqing@baidu.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/aic7xxx/aic79xx_osm.h

@@ -196,7 +196,7 @@ int	ahd_dmamap_unload(struct ahd_softc *, bus_dma_tag_t, bus_dmamap_t);
 /*
  * XXX
  * ahd_dmamap_sync is only used on buffers allocated with
- * the pci_alloc_consistent() API.  Although I'm not sure how
+ * the dma_alloc_coherent() API.  Although I'm not sure how
  * this works on architectures with a write buffer, Linux does
  * not have an API to sync "coherent" memory.  Perhaps we need
  * to do an mb()?

drivers/scsi/aic7xxx/aic7xxx_osm.h

@@ -209,7 +209,7 @@ int	ahc_dmamap_unload(struct ahc_softc *, bus_dma_tag_t, bus_dmamap_t);
 /*
  * XXX
  * ahc_dmamap_sync is only used on buffers allocated with
- * the pci_alloc_consistent() API.  Although I'm not sure how
+ * the dma_alloc_coherent() API.  Although I'm not sure how
  * this works on architectures with a write buffer, Linux does
  * not have an API to sync "coherent" memory.  Perhaps we need
  * to do an mb()?