drm/amdgpu/dce_virtual: remove error message for vega10

Vega10 also support virtual display, remove the error message.
Signed-off-by: Xiangliang.Yu <Xiangliang.Yu@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -479,6 +479,8 @@ static int dce_virtual_hw_init(void *handle)
 #endif
 		/* no DCE */
 		break;
+	case CHIP_VEGA10:
+		break;
 	default:
 		DRM_ERROR("Virtual display unsupported ASIC type: 0x%X\n", adev->asic_type);
 	}