add jq for JSON parsing

Change-Id: I241e90d249ca72afddb49d372b495743ec3e9ea5
diff --git a/roles/maas/tasks/main.yml b/roles/maas/tasks/main.yml
index aabaf1a..b8cc720 100644
--- a/roles/maas/tasks/main.yml
+++ b/roles/maas/tasks/main.yml
@@ -9,6 +9,7 @@
     - python-pycurl
     - python-pip
     - ethtool
+    - jq
 
 - name: Install Python Prerequisites
   become: yes