Dokumentation: Sphinx add RST in markdown support

* This feature embedds RST into markdown for
table generation.

For more information, see
http://recommonmark.readthedocs.io/en/latest/index.html#autostructify

Change-Id: Iefebb3b7857bc98818e345f7d0e95fbf987305a8
Signed-off-by: Philipp Deppenwiese <zaolin@das-labor.org>
Reviewed-on: https://review.coreboot.org/26190
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

Documentation/conf.py

@@ -177,6 +177,7 @@ def setup(app):
     app.add_config_value('recommonmark_config', {
         'enable_auto_toc_tree': True,
         'enable_auto_doc_ref': True,
+        'enable_eval_rst': True,
         'url_resolver': lambda url: '/' + url
     }, True)
     app.add_transform(AutoStructify)