mysql: properly order "depends on" vs. bool

This fixes a check-package warning introduced by commit
19df27ed03b33cd86c971afb355091161972851f ("package/mariadb: add option
to disable build of embedded server")

Fixes:

package/mysql/Config.in:59: attributes order: type, default, depends on, select, help (http://nightly.buildroot.org/#_config_files)

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/mysql/Config.in

@@ -55,8 +55,8 @@ config BR2_PACKAGE_MARIADB_SERVER
 	  Install the mariadb server on the target.
 
 config BR2_PACKAGE_MARIADB_SERVER_EMBEDDED
-	depends on BR2_PACKAGE_MARIADB_SERVER
 	bool "mariadb embedded server"
+	depends on BR2_PACKAGE_MARIADB_SERVER
 	help
 	  Install the mariadb embedded server on the target.