
CentOS and RHEL 7 both use /boot/grub2/grub.cfg, but the tasks in the security role expect it to be in /boot/grub/grub.cfg. This patch adds a variable for the grub configuration file path. Closes-bug: 1590102 Change-Id: I724d6eb3b716bd9b0006d0d2e5ad201481d52e59