Add ansible firewall role

Adding role to disable firewall to prevent any issue with communication
during the installation

Change-Id: I2390f0bc5062933e6a8bf4dcbc0b255b283f993d
Issue-ID: OOM-1551
Signed-off-by: Tomáš Levora <t.levora@partner.samsung.com>
diff --git a/ansible/roles/firewall/tasks/main.yml b/ansible/roles/firewall/tasks/main.yml
new file mode 100644
index 0000000..f7bb7c7
--- /dev/null
+++ b/ansible/roles/firewall/tasks/main.yml
@@ -0,0 +1,2 @@
+---
+- include_tasks: "firewall-{{ state }}.yml"