fixed optimized 8bit colorkeying for little endian. disable it on x86 since it is much slower. have to test on my little endian arm machine.
fixed optimized 8bit colorkeying for little endian. disable it on x86
since it is much slower. have to test on my little endian arm machine.

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