Render images of DIP switches as <pre> html tags/verbatim text. This fixes the sphinx errors: Documentation/boards/imx/Element14-WaRP7.rst:25: ERROR: Malformed table. Documentation/boards/imx/Element14-WaRP7.rst:36: ERROR: Malformed table. Documentation/boards/imx/Element14-WaRP7.rst:47: ERROR: Malformed table. Signed-off-by: Stefan Lengfeld <contact@stefanchrist.eu> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>