drm/radeon: change SPDX identifier to MIT

Commit b2441318 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

-// 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

-/* 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

-// 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

-// 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

-/* 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

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

include/drm/drm_pciids.h

-/* SPDX-License-Identifier: GPL-2.0 */
+/* SPDX-License-Identifier: MIT */
 #define radeon_PCI_IDS \
 	{0x1002, 0x1304, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x1305, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KAVERI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \