To make sure maintainers of amdgpu drivers are aware of any changes
 in their documentation, add its entry to MAINTAINERS.
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Tales Lelo da Aparecida <tales.aparecida@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
 T:     git https://gitlab.freedesktop.org/agd5f/linux.git
 B:     https://gitlab.freedesktop.org/drm/amd/-/issues
 C:     irc://irc.oftc.net/radeon
+F:     Documentation/gpu/amdgpu/
 F:     drivers/gpu/drm/amd/
 F:     drivers/gpu/drm/radeon/
 F:     include/uapi/drm/amdgpu_drm.h