UBI: rename ubi_scan_get_free_peb

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

Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index cfe3830..341c956 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -312,7 +312,7 @@
 		return -ENOMEM;
 
 retry:
-	new_aeb = ubi_scan_get_free_peb(ubi, ai);
+	new_aeb = ubi_early_get_peb(ubi, ai);
 	if (IS_ERR(new_aeb)) {
 		err = PTR_ERR(new_aeb);
 		goto out_free;