CMakeLists.txt: fix python builds and doc building
CMakeLists.txt: fix python builds and doc building

Signed-off-by: Brendan Le Foll <3e0e8c4069934e8b47d99704927a85c66c0ceb33@intel.com>

mircea/upm,g-vidal/upm,rafaneri/upm,Jon-ICS/upm,skiselev/upm,intel-iot-devkit/upm,intel-iot-devkit/upm,pylbert/upm,ShawnHymel/upm,malikabhi05/upm,pylbert/upm,srware/upm,0xD34D/upm,MakerCollider/upm,jontrulson/upm,g-vidal/upm,yoyojacky/upm,pylbert/upm,jontrulson/upm,noahchense/upm,g-vidal/upm,tripzero/upm,arfoll/upm,arfoll/upm,andreivasiliu2211/upm,andreivasiliu2211/upm,stefan-andritoiu/upm,spitfire88/upm,malikabhi05/upm,kissbac/upm,nitirohilla/upm,malikabhi05/upm,afmckinney/upm,sasmita/upm,izard/upm,kissbac/upm,skiselev/upm,intel-iot-devkit/upm,mircea/upm,nitirohilla/upm,afmckinney/upm,rafaneri/upm,fieldhawker/upm,rafaneri/upm,skiselev/upm,stefan-andritoiu/upm,GSmurf/upm,0xD34D/upm,andreivasiliu2211/upm,pylbert/upm,Propanu/upm,srware/upm,MakerCollider/upm,izard/upm,whbruce/upm,kissbac/upm,Propanu/upm,Vaghesh/upm,srware/upm,noahchense/upm,noahchense/upm,afmckinney/upm,yoyojacky/upm,fieldhawker/upm,Jon-ICS/upm,rafaneri/upm,kissbac/upm,stefan-andritoiu/upm,Jon-ICS/upm,whbruce/upm,Jon-ICS/upm,Propanu/upm,mircea/upm,noahchense/upm,stefan-andritoiu/upm,ShawnHymel/upm,GSmurf/upm,skiselev/upm,GSmurf/upm,spitfire88/upm,arfoll/upm,tylergibson/upm,MakerCollider/upm,Vaghesh/upm,tylergibson/upm,tylergibson/upm,sasmita/upm,intel-iot-devkit/upm,0xD34D/upm,g-vidal/upm,mircea/upm,Propanu/upm,srware/upm,tylergibson/upm,sasmita/upm,Jon-ICS/upm,intel-iot-devkit/upm,nitirohilla/upm,g-vidal/upm,fieldhawker/upm,stefan-andritoiu/upm,MakerCollider/upm,Propanu/upm,fieldhawker/upm,spitfire88/upm,srware/upm,sasmita/upm,sasmita/upm,pylbert/upm,yoyojacky/upm,malikabhi05/upm,stefan-andritoiu/upm,nitirohilla/upm,arfoll/upm,Vaghesh/upm,tripzero/upm,tripzero/upm,izard/upm,andreivasiliu2211/upm,MakerCollider/upm,rafaneri/upm,ShawnHymel/upm,jontrulson/upm,Propanu/upm,mircea/upm,spitfire88/upm,jontrulson/upm,malikabhi05/upm,pylbert/upm,ShawnHymel/upm,andreivasiliu2211/upm,GSmurf/upm,malikabhi05/upm,nitirohilla/upm,skiselev/upm,afmckinney/upm,kissbac/upm,arfoll/upm,whbruce/upm,yoyojacky/upm,whbruce/upm,tylergibson/upm,yoyojacky/upm,spitfire88/upm,skiselev/upm,0xD34D/upm,afmckinney/upm,Vaghesh/upm,tripzero/upm,ShawnHymel/upm,g-vidal/upm,tripzero/upm,whbruce/upm,intel-iot-devkit/upm,jontrulson/upm