
A new version of sphinx was released May 29 2022 which requires a language setting in conf.py otherwise a warning (treated as an error) causes the sphinx operation to fail. Updating the sphinx config file to correct the issue. Closes-Bug: 1976385 Signed-off-by: Cole Walker <cole.walker@windriver.com> Change-Id: I3ee669632b214ec02da8fa7789fb1a7499c2303f