Mark build/run status at patch 2309/2309 of v4.14->v4.15 update

- i915 build/run OK but glxgears runs at 48 fps, not 60.
- radeonkms build/run OK.

- amdgpu build OK, run crash. backtrace snippet:

    fmt=0xffffffff81b946ee "Assertion %s failed at %s:%d",
    ap=0xfffffe004531a3e0) at /usr/src/sys/kern/kern_shutdown.c:811
    fmt=0xffffffff81b946ee "Assertion %s failed at %s:%d")
    at /usr/src/sys/kern/kern_shutdown.c:723
    task=0xfffff8007358df00, wmesg=0xffffffff81b94e62 "wevent", timeout=0,
    state=258) at /usr/src/sys/compat/linuxkpi/common/src/linux_schedule.c:50
    wq=<optimized out>, timeout=0, state=258, lock=0x0)
    at /usr/src/sys/compat/linuxkpi/common/src/linux_schedule.c:279
   from /boot/modules.drm-v4.15-WIP/amdgpu.ko