Set nodeselector to linux (#106)

* Set nodeselector to linux

* Add nodeselector for amd64

Author: nshankar13

charts/osm-arc/templates/osm-label.yml

@@ -115,6 +115,9 @@ spec:
       automountServiceAccountToken: true
       restartPolicy: Never
       terminationGracePeriodSeconds: 0
+      nodeSelector:
+        kubernetes.io/arch: amd64
+        kubernetes.io/os: linux
       containers:
         - name: osm-label
           image: {{ .Values.alpine.image.name }}:{{ .Values.alpine.image.tag }}