Update to a more recent version of Doyxgen Awesome for better
compatibilty with recent versions of Doxygen.
Signed-off-by: Benjamin Cabé <benjamin@zephyrproject.org>
Use the doxygen-awesome theme to improve the look and feel of the
Doxygen API documentation.
Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>