drm/amdgpu: reserve the old gc_11_0_*_mes.bin

Reserve the MOUDLE_FIRMWARE declaration of gc_11_0_*_mes.bin
to fix falling back to old mes bin on failure via autoload.

Fixes: 97998b89 ("drm/amd/amdgpu: introduce gc_*_mes_2.bin v2")
Signed-off-by: Li Ma <li.ma@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>