classes: add new cmake_qt5 class
classes: add new cmake_qt5 class

A cmake specific qt5 class which sets all required configuration parameters to
successfully compile cmake based applications.

Signed-off-by: Simon Busch <e923d8431f09840b119134ca71ec8d74989d15cc@gravedo.de>

Ivan-SB/meta-qt5,meta-qt5/meta-qt5,kraj/meta-qt5,opendreambox/meta-qt5,timopulkkinen/meta-qt5,cjp256/meta-qt5,Tofee/meta-qt5,kraj/meta-qt5,sapiippo/meta-qt5,schnitzeltony/meta-qt5,cjp256/meta-qt5,Ivan-SB/meta-qt5,timopulkkinen/meta-qt5,timopulkkinen/meta-qt5,opendreambox/meta-qt5,schnitzeltony/meta-qt5,opendreambox/meta-qt5,sapiippo/meta-qt5,Tofee/meta-qt5,timopulkkinen/meta-qt5,jruffin/meta-qt5,meta-qt5/meta-qt5,jruffin/meta-qt5