drm/radeon: change SPDX identifier to MIT

Commit b24413180f added
"SPDX-License-Identifier: GPL-2.0" to files which previously had no
license, change this to MIT for radeon matching the license text of the
other radeon files.

Signed-off-by: Jonathan Gray <jsg@jsg.id.au>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/radeon/mkregtable.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: MIT
 /* utility to create the register check tables
  * this includes inlined list.h safe for userspace.
  *

drivers/gpu/drm/radeon/r100_track.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: MIT */
 
 #define R100_TRACK_MAX_TEXTURE 3
 #define R200_TRACK_MAX_TEXTURE 6

drivers/gpu/drm/radeon/radeon_dp_mst.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: MIT
 
 #include <drm/drmP.h>
 #include <drm/drm_dp_mst_helper.h>

drivers/gpu/drm/radeon/radeon_legacy_tv.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: MIT
 #include <drm/drmP.h>
 #include <drm/drm_crtc_helper.h>
 #include "radeon.h"

drivers/gpu/drm/radeon/radeon_trace.h

@@ -1,4 +1,4 @@
-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: MIT */
 #if !defined(_RADEON_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
 #define _RADEON_TRACE_H_
 

drivers/gpu/drm/radeon/radeon_trace_points.c

@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0
+// SPDX-License-Identifier: MIT
 /* Copyright Red Hat Inc 2010.
  * Author : Dave Airlie <airlied@redhat.com>
  */