CONFIG: Remove obsolete code duplication and add proper chaining calls.
CONFIG: Remove obsolete code duplication and add proper chaining calls.

Note: we're calling libfusion AND libdirect config, while libfusion config
already did the call to it if it could not find an option for itself. I'm
keeping it here now, because I'm tending to prefer removal of libfusion's
call to libdirect config, nothing to not discuss :)

lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,DirectFB/directfb,jcdubois/DirectFB,sklnet/DirectFB,DirectFB/directfb,sklnet/DirectFB,djbclark/directfb-core-DirectFB,kevleyski/DirectFB-1,kevleyski/DirectFB-1,mtsekm/test,lancebaiyouview/DirectFB,jcdubois/DirectFB,mtsekm/test,deniskropp/DirectFB,deniskropp/DirectFB,Distrotech/DirectFB,dfbdok/DirectFB1,sklnet/DirectFB,lancebaiyouview/DirectFB,kaostao/directfb,kaostao/directfb,lancebaiyouview/DirectFB,djbclark/directfb-core-DirectFB,djbclark/directfb-core-DirectFB,kaostao/directfb,mtsekm/test,kevleyski/DirectFB-1,deniskropp/DirectFB,kevleyski/directfb,kevleyski/directfb,deniskropp/DirectFB,kevleyski/directfb,kevleyski/DirectFB-1,DirectFB/directfb,dfbdok/DirectFB1,dfbdok/DirectFB1,kevleyski/directfb,Distrotech/DirectFB,Distrotech/DirectFB,jcdubois/DirectFB,sklnet/DirectFB