The binary log contains a record of all changes to the databases, both
data and structure. It consists of a set of binary log files and an
index.
Activate it in MariaDB will fix Telegraf error on Mysql/MariaDB inputs
retrieval.

Change-Id: I040ed75ffbf1afded87ba0f8f63a3e384707d1fb
Closes-Bug: #1673969