drm/amdgpu/display: extend DCN guard in dal_bios_parser_init_cmd_tbl_helper2

To cover DCN 2.x.

Reviewed-by: Zhan Liu <zhan.liu@amd.com>
Tested-by: Rodrigo Siqueira <Rodrigo.Siqueira@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2020-02-11 23:21:04 -05:00
commit 09034ae43f