UBIFS: print volume name as well

We encouredge people to mount using volume name, not device
numbers. So print the name of the mounted UBI volume, not just
IDs.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/fs/ubifs/super.c b/fs/ubifs/super.c
index ca1e2d4..43af934 100644
--- a/fs/ubifs/super.c
+++ b/fs/ubifs/super.c
@@ -1122,8 +1122,8 @@
 	if (err)
 		goto out_infos;
 
-	ubifs_msg("mounted UBI device %d, volume %d", c->vi.ubi_num,
-		  c->vi.vol_id);
+	ubifs_msg("mounted UBI device %d, volume %d, name \"%s\"",
+		  c->vi.ubi_num, c->vi.vol_id, c->vi.name);
 	if (mounted_read_only)
 		ubifs_msg("mounted read-only");
 	x = (long long)c->main_lebs * c->leb_size;