drm/amd/display: Add DMUB support for DCN316

Initialize DMUB for DCN316. Use same funcs as DCN31 for
DCN316.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Prike Liang <Prike.Liang@amd.com>
Signed-off-by: Leo Li <sunpeng.li@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
index 749ab92..493be0c 100644
--- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
+++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c
@@ -1920,7 +1920,7 @@ static int dm_dmub_sw_init(struct amdgpu_device *adev)
 		fw_name_dmub = FIRMWARE_YELLOW_CARP_DMUB;
 		break;
 	case IP_VERSION(3, 1, 6):
-		dmub_asic = DMUB_ASIC_DCN31B;
+		dmub_asic = DMUB_ASIC_DCN316;
 		fw_name_dmub = FIRMWARE_DCN316_DMUB;
 		break;