[PATCH] erofs: switch on-disk header `erofs_fs.h` to MIT license

[Gao Xiang]

Switch to the permissive MIT license to make the EROFS on-disk format
more interoperable across various use cases.

It was previously recommended by the Composefs folks, for example:
https://github.com/composefs/composefs/pull/216#discussion_r1356409501

Signed-off-by: Gao Xiang <hsiangkao at linux.alibaba.com>
---
 fs/erofs/erofs_fs.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/erofs/erofs_fs.h b/fs/erofs/erofs_fs.h
index 3d5738f80072..e24268acdd62 100644
--- a/fs/erofs/erofs_fs.h
+++ b/fs/erofs/erofs_fs.h
@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0-only OR Apache-2.0 */
+/* SPDX-License-Identifier: MIT */
 /*
  * EROFS (Enhanced ROM File System) on-disk format definition
  *
-- 
2.43.5