mariadb: new package

MariaDB is a drop-in replacement for MySQL. This commit adds a current
and stable version of MariaDB to the tree.

Quite a few ideas/patches were copied from Alpine Linux, Busybox Buildroot
and Debian.

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>

utils/mariadb/conf/my.cnf

@@ -0,0 +1,54 @@
+[client]
+port		= 3306
+socket		= /var/run/mysqld.sock
+
+[mysqld]
+user		= root
+socket		= /var/run/mysqld.sock
+port		= 3306
+basedir		= /usr
+
+############ Don't put this on the NAND #############
+# Figure out where you are going to put the databases
+# And run mysql_install_db --force
+datadir		= /mnt/data/mysql/
+
+######### This should also not go on the NAND #######
+tmpdir		= /mnt/data/tmp/
+
+skip-external-locking
+
+bind-address		= 127.0.0.1
+
+# Fine Tuning
+key_buffer		= 16M
+max_allowed_packet	= 16M
+thread_stack		= 192K
+thread_cache_size       = 8
+
+# Here you can see queries with especially long duration
+#log_slow_queries	= /var/log/mysql/mysql-slow.log
+#long_query_time = 2
+#log-queries-not-using-indexes
+
+# The following can be used as easy to replay backup logs or for replication.
+#server-id		= 1
+#log_bin			= /var/log/mysql/mysql-bin.log
+#expire_logs_days	= 10
+#max_binlog_size         = 100M
+#binlog_do_db		= include_database_name
+#binlog_ignore_db	= include_database_name
+
+
+[mysqldump]
+quick
+quote-names
+max_allowed_packet	= 16M
+
+[mysql]
+#no-auto-rehash	# faster start of mysql but no tab completition
+
+[isamchk]
+key_buffer		= 16M
+
+