feature #5195 Add missing caching drivers (mhor)

This PR was merged into the 2.3 branch.

Discussion
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Add missing caching drivers

| Q             | A
| ------------- | ---
| Doc fix?      | no
| New docs?     | no
| Applies to    | 2.3 and above

https://github.com/symfony/symfony/blob/2.3/src/Symfony/Bridge/Doctrine/DependencyInjection/AbstractDoctrineExtension.php#L305

Commits
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116047c Add missing caching drivers

Author: wouterj

reference/configuration/doctrine.rst

@@ -294,8 +294,8 @@ certain classes, but those are for very advanced use-cases only.
 Caching Drivers
 ~~~~~~~~~~~~~~~
 
-For the caching drivers you can specify the values "array", "apc", "memcache",
-"memcached", "xcache" or "service".
+For the caching drivers you can specify the values ``array``, ``apc``, ``memcache``,
+``memcached``, ``redis``, ``wincache``, ``zenddata``, ``xcache`` or ``service``.
 
 The following example shows an overview of the caching configurations: