UBI: rename _init_scan functions

We have a couple of initialization funcntionsn left which have "_scan" suffic -
rename them:

ubi_eba_init_scan() -> ubi_eba_init()
ubi_wl_init_scan() -> ubi_wl_init()

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 2592d1c..5fa726f 100644
--- a/drivers/mtd/ubi/eba.c
+++ b/drivers/mtd/ubi/eba.c
@@ -1167,7 +1167,7 @@
  * print_rsvd_warning - warn about not having enough reserved PEBs.
  * @ubi: UBI device description object
  *
- * This is a helper function for 'ubi_eba_init_scan()' which is called when UBI
+ * This is a helper function for 'ubi_eba_init()' which is called when UBI
  * cannot reserve enough PEBs for bad block handling. This function makes a
  * decision whether we have to print a warning or not. The algorithm is as
  * follows:
@@ -1205,14 +1205,14 @@
 }
 
 /**
- * ubi_eba_init_scan - initialize the EBA sub-system using attaching information.
+ * ubi_eba_init - initialize the EBA sub-system using attaching information.
  * @ubi: UBI device description object
  * @ai: attaching information
  *
  * This function returns zero in case of success and a negative error code in
  * case of failure.
  */
-int ubi_eba_init_scan(struct ubi_device *ubi, struct ubi_attach_info *ai)
+int ubi_eba_init(struct ubi_device *ubi, struct ubi_attach_info *ai)
 {
 	int i, j, err, num_volumes;
 	struct ubi_ainf_volume *av;