databases/mariadb106-server: Bugfixes

• Don't override bind-address when WSREP is enabled [1]
• Fix typo in mysql_config patch [2]
• Update CONFLICTS after MariaDB 10.0.11 port creation

PR: 264999[1], 269654[2]
Reported by: ingenium <freebsd gmx info>[1], Oleg Sidorkin <osidorkin gmail com>

(cherry picked from commit c55765750a896182a2774ced7217145fa746cdba)