drm/amd/display: Add SPDX license identifier to dcn30_dpp_cm.c

[Why&How]
dcn30_dpp_cm.c carries the full MIT license text but no SPDX tag. Add
the SPDX-License-Identifier line so the file matches the rest of the
tree.

Reviewed-by: Jun Lei <jun.lei@amd.com>
Signed-off-by: Tony Cheng <Tony.Cheng@amd.com>
Signed-off-by: Chenyu Chen <chen-yu.chen@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Tony Cheng 2026-09-02 15:03:41 -04:00 • committed by Alex Deucher
commit bbd277136c