UBI: rename ubi_scan_find_av

The old name is not logical anymore - rename it to 'ubi_find_av()'.

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/ubi/eba.c b/drivers/mtd/ubi/eba.c
index 572281a..6f7f2756 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1246,7 +1246,7 @@
 		for (j = 0; j < vol->reserved_pebs; j++)
 			vol->eba_tbl[j] = UBI_LEB_UNMAPPED;
 
-		av = ubi_scan_find_av(ai, idx2vol_id(ubi, i));
+		av = ubi_find_av(ai, idx2vol_id(ubi, i));
 		if (!av)
 			continue;