core: Add CORE_PVR2D to system type enum.
core: Add CORE_PVR2D to system type enum.

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