scsi: aha1542: Use memcpy_{from,to}_bvec()

Use the memcpy_{from,to}_bvec() helpers instead of open coding them.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Christoph Hellwig <[e-mail]>
Signed-off-by: Martin K. Petersen <[e-mail]>

drivers/scsi/aha1542.c

···
 		struct bio_vec bv;
 
 		rq_for_each_segment(bv, rq, iter) {
-			memcpy_to_page(bv.bv_page, bv.bv_offset, buf,
-				       bv.bv_len);
+			memcpy_to_bvec(&bv, buf);
 			buf += bv.bv_len;
 		}
 	}
···
 		struct bio_vec bv;
 
 		rq_for_each_segment(bv, rq, iter) {
-			memcpy_from_page(buf, bv.bv_page, bv.bv_offset,
-					 bv.bv_len);
+			memcpy_from_bvec(buf, &bv);
 			buf += bv.bv_len;
 		}
 	}