tasks: add Linux rdt support

Add support for configuring the Linux resctrl pseudo-filesystem with
goresctrl library. The functionality is integrated in the
"io.containerd.service.v1.tasks-service" plugin.

Signed-off-by: Markus Lehtonen <markus.lehtonen@intel.com>

services/tasks/rdt_default.go

@@ -0,0 +1,24 @@
+//go:build !linux || no_rdt
+// +build !linux no_rdt
+
+/*
+   Copyright The containerd Authors.
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at
+
+       http://www.apache.org/licenses/LICENSE-2.0
+
+   Unless required by applicable law or agreed to in writing, software
+   distributed under the License is distributed on an "AS IS" BASIS,
+   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+   See the License for the specific language governing permissions and
+   limitations under the License.
+*/
+
+package tasks
+
+func RdtEnabled() bool { return false }
+
+func initRdt(configFilePath string) error { return nil }