configure: Add --disable-multi-kernel to configure to disable fusion kernel module for multi app.
configure: Add --disable-multi-kernel to configure to disable fusion kernel module for multi app.

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