drm/amd/display: Align KUnit tests Makefile license header

[Why & How]
Use GPL-2.0 OR MIT and Copyright 2026 to match other KUnit test files.

Reviewed-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Signed-off-by: Tom Chung <chiahsuan.chung@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Ray Wu 2026-07-29 09:37:08 +08:00 • committed by Alex Deucher
commit 666aa2cb38