Removed blank pages between chapters
Removed blank pages between chapters

classoptions and babel were added to latex_elements in source/conf.py.
This will remove all excess blank pages between chapters and table of
contents when building pdf.

Signed-off-by: Robert Wolff <9cf4dabbe592e69f0cdb423c027ca34154087f91@linaro.org>
Signed-off-by: Grant Likely <9069e6f5a2b566e2674a0ba1e2bf39c12c195fad@linaro.org>

kvekaria/devicetree-specification,devicetree-org/devicetree-specification