dfbscreen: Added resolution and frequency switch.
dfbscreen: Added resolution and frequency switch.

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