roles: bootstrap-os: Add support for SUSE distributions

Install some required packages when running on SUSE distributions.

roles/bootstrap-os/tasks/bootstrap-opensuse.yml

@@ -0,0 +1,7 @@
+---
+- name: Install required packages (SUSE)
+  package:
+    name: "{{ item }}"
+    state: present
+  with_items:
+    - python-cryptography

roles/bootstrap-os/tasks/main.yml

@@ -11,6 +11,9 @@
 - import_tasks: bootstrap-centos.yml
   when: bootstrap_os == "centos"
 
+- import_tasks: bootstrap-opensuse.yml
+  when: bootstrap_os == "opensuse"
+
 - import_tasks: setup-pipelining.yml
 
 - name: check if atomic host