Added smartmontools package into linux/system/single/mcp

For monitoring purposes we require to have smartmontools
package to be present on the nodes, where we can gather the
SMART data from disks, so we can collect these by telegraf input
plugin and create related Prometheus alerts.

Change-Id: If5d348463d6c245eab3dec0b825fe4a473f71251
Related-Bug: PROD-27914
diff --git a/linux/system/single/mcp.yml b/linux/system/single/mcp.yml
index e8ca938..40c1dee 100644
--- a/linux/system/single/mcp.yml
+++ b/linux/system/single/mcp.yml
@@ -44,6 +44,9 @@
             - type: hard
               item: nproc
               value: 307200
+      package:
+        smartmontools:
+          version: latest
       systemd:
         system:
           Manager: