Update to AWS EC2 root vol size so that Health Check tasks pass

roles/openshift_aws/defaults/main.yml

@@ -98,12 +98,20 @@ openshift_aws_elb_dict:
       proxy_protocol: True
 
 openshift_aws_node_group_config_master_volumes:
+- device_name: /dev/sda1
+  volume_size: 100
+  device_type: gp2
+  delete_on_termination: False
 - device_name: /dev/sdb
   volume_size: 100
   device_type: gp2
   delete_on_termination: False
 
 openshift_aws_node_group_config_node_volumes:
+- device_name: /dev/sda1
+  volume_size: 100
+  device_type: gp2
+  delete_on_termination: True
 - device_name: /dev/sdb
   volume_size: 100
   device_type: gp2