Sync code change with LF branch. Remove head file and empty functions. Correct some comments and types of return value. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> Reviewed-by: Liu Ying <victor.liu@nxp.com>
Sync code change with LF branch. Remove head file and empty functions. Correct some comments and types of return value. Signed-off-by: Sandor Yu <Sandor.yu@nxp.com> Reviewed-by: Liu Ying <victor.liu@nxp.com>