enable uart (but not necessarily the console)

roles/common/tasks/hardware.yml

@@ -0,0 +1,8 @@
+---
+
+- name: enable uart on boot
+  lineinfile:
+    dest=/boot/config.txt
+    regexp="^enable_uart="
+    line="enable_uart=1"
+    state=present

roles/common/tasks/main.yml

@@ -41,3 +41,4 @@
 # Other tasks
 - include: software.yml
 - include: users.yml
+- include: hardware.yml