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/scan.c b/drivers/mtd/ubi/scan.c
index ccf4630..2c5a558 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -682,7 +682,7 @@
 }
 
 /**
- * ubi_scan_get_free_peb - get a free physical eraseblock.
+ * ubi_early_get_peb - get a free physical eraseblock.
  * @ubi: UBI device description object
  * @ai: attaching information
  *
@@ -695,8 +695,8 @@
  * This function returns scanning physical eraseblock information in case of
  * success and an error code in case of failure.
  */
-struct ubi_ainf_peb *ubi_scan_get_free_peb(struct ubi_device *ubi,
-					   struct ubi_attach_info *ai)
+struct ubi_ainf_peb *ubi_early_get_peb(struct ubi_device *ubi,
+				       struct ubi_attach_info *ai)
 {
 	int err = 0;
 	struct ubi_ainf_peb *aeb, *tmp_aeb;