Have backrefs: follow path:;

Signed-off-by: Jon S. Stumpf <jon.stumpf@gmail.com>

roles/raspberrypi/tasks/prereq/Debian.yml

@@ -7,9 +7,9 @@
 - name: Enable cgroup via boot commandline if not already enabled
   ansible.builtin.lineinfile:
     path: "{{ (boot_firmware_cmdline_txt.stat.exists) | ternary('/boot/firmware/cmdline.txt', '/boot/cmdline.txt') }}"
+    backrefs: true
     regexp: '^((?!.*\bcgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory\b).*)$'
     line: '\1 cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory'
-    backrefs: true
   notify: Reboot Pi
 
 - name: Gather the package facts

roles/raspberrypi/tasks/prereq/Raspbian.yml

@@ -2,9 +2,9 @@
 - name: Enable cgroup via boot commandline if not already enabled
   ansible.builtin.lineinfile:
     path: /boot/cmdline.txt
+    backrefs: true
     regexp: '^((?!.*\bcgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory\b).*)$'
     line: '\1 cgroup_enable=cpuset cgroup_memory=1 cgroup_enable=memory'
-    backrefs: true
   notify: Reboot Pi
 
 - name: Gather the package facts