qtbase5_base: move binaries and libs to QT_DIR_NAME
qtbase5_base: move binaries and libs to QT_DIR_NAME

* mkspecs are now installed to libdir/${QT_DIR_NAME}
* use the same qt.conf for all qtbase5_base, only qtbase-native is different now

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