Restart sysrepo-plugind when remounting /run/sysrepo

When a box entered the restarting death loop, it was not possible to
unmount /run/sysrpeo because it was still being used. As per `lsof -a`,
the sysrepo-plugind was the only missing piece, all the others have
either crashed or been restarted properly.

Change-Id: Ib7564b023a87024083fff5721db4c2a7f9c8c194
diff --git a/package/reset-sysrepo/reset-sysrepo.mk b/package/reset-sysrepo/reset-sysrepo.mk
index cfca98d..e8697b5 100644
--- a/package/reset-sysrepo/reset-sysrepo.mk
+++ b/package/reset-sysrepo/reset-sysrepo.mk
@@ -22,6 +22,7 @@
 		cla-sdn-roadm-line.service \
 		netopeer2.service \
 		sysrepo-persistent-cfg.service \
+		sysrepo-plugind.service \
 		nacm-restore.service \
 		velia-firewall.service \
 		velia-system.service \