[PATCH] meta/ext4-img: Fix file system type to ext4

[Quirin Gylstorff <quirin.gylstorff@siemens.com>]

mke2fs defaults to ext2 if no filesystem is given and /etc/mke2fs
is not adapted. Reverts back to ext4 after mke2fs was introtuced
with :
  8b8a339cfaa4ff4ee70cae7785608fce0492a84a
  Author:     Claudius Heine <ch@denx.de>
  CommitDate: Thu Mar 28 10:04:10 2019 +0100

  meta/ext4-img: refactor to fit current image creation methods

  EXT4_IMAGE_FILE does no longer contain the full path to the ext4 image
  in the deploy directory.

  Signed-off-by: Claudius Heine <ch@denx.de>

Signed-off-by: Quirin Gylstorff <quirin.gylstorff@siemens.com>
---
 meta/classes/ext4-img.bbclass | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/meta/classes/ext4-img.bbclass b/meta/classes/ext4-img.bbclass
index 4e810cf..334dc64 100644
--- a/meta/classes/ext4-img.bbclass
+++ b/meta/classes/ext4-img.bbclass
@@ -5,6 +5,8 @@ EXT4_IMAGE_FILE = "${IMAGE_FULLNAME}.ext4.img"
 
 IMAGER_INSTALL += "e2fsprogs"
 
+MKE2FS_ARGS ?=  "-t ext4"
+
 # Generate ext4 filesystem image
 do_ext4_image() {
     rm -f '${DEPLOY_DIR_IMAGE}/${EXT4_IMAGE_FILE}'
-- 
2.20.1