Mesa (master): features.txt: update virgl GL4.1 status.

Module: Mesa Branch: master Commit: 525cfe5dab069c05becaa32dc80c28c77c4fcac8 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=525cfe5dab069c05becaa32dc80c28c77c4fcac8 Author: Dave Airlie Date: Mon Jun 11 10:49:14 2018 +1000 features.txt: update virgl GL4.1 status. All the features

Mesa (master): virgl: enable ARB_gpu_shader_fp64

Module: Mesa Branch: master Commit: 77d7d7acab75571406866d24673c4a374a98c392 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=77d7d7acab75571406866d24673c4a374a98c392 Author: Dave Airlie Date: Mon May 21 14:00:37 2018 +1000 virgl: enable ARB_gpu_shader_fp64 This enables