drm/amdgpu: enable TMZ option for onwards asic

The TMZ is disabled by default and enable TMZ option
for the IP discovery based asic will help on the TMZ
function verification.
Signed-off-by: Prike Liang <Prike.Liang@amd.com>
Reviewed-by: Aaron Liu <aaron.liu@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.c

@@ -537,6 +537,7 @@ void amdgpu_gmc_tmz_set(struct amdgpu_device *adev)
 	case CHIP_NAVI12:
 	case CHIP_VANGOGH:
 	case CHIP_YELLOW_CARP:
+	case CHIP_IP_DISCOVERY:
 		/* Don't enable it by default yet.
 		 */
 		if (amdgpu_tmz < 1) {