Hello Alfonso,
just setup a new yocto on  "dora"

bitbake core-image-minimal brakes with

ERROR: No recipes available for:
/home/joerg/qt-yocto/sources/meta-qt5/recipes-devtools/cmake/cmake_2.8.12.1.bbappend
ERROR: Command execution failed: Exited with 1

Your Note: If bitbake fails with an error regarding cmake or drm recipes, locate their directories, delete them and try again.

won't realy helps :-/

regards

Joerg