Merge branch 'whitechapel' into android-gs-pixel-4.19

    * darwinn/whitechapel:
      edgetpu: train USR links on group finalization
      edgetpu: add ioctl interface for bulk dmabuf map
      edgetpu: declare dmabuf array in edgetpu_dmabuf_map
      edgetpu: implement edgetpu bulk dmabuf mapping
      edgetpu: ioctl handlers for bulk dmabuf mappings
      edgetpu: allow signal dma sync fence from any driver not just edgetpu
      edgetpu: add dma sync fence status retrieval ioctl
      edgetpu: debugFS dump for bulk dmabuf mappings
      edgetpu: Record git-SHA id and repo state
      edgetpu: use unmap_dmabuf in unmap_bulk_dmabuf
      edgetpu: abrolhos fix wrongly calculate size of SGT
      edgetpu: sync KCI command struct definition with firmware
      edgetpu: select appropriate seqno format in sync_fence_signal
      edgetpu: fix wrong nents for releasing pages

Signed-off-by: David Chiang <davidchiang@google.com>
Signed-off-by: Erick Reyes <erickreyes@google.com>
Change-Id: Ic7f69f6bcd98ca61e6d901442279705ded8fa5fe