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

* whitechapel: (26 commits)
      edgetpu: move uncommon status register under chipsets
      edgetpu: abrolhos: return state index in power2state
      edgetpu: explicitly reserve IOVA before mapping to SGT
      edgetpu: detach mailbox on wakelock releasing
      edgetpu: unittests wakelock ioctl handlers
      edgetpu: process log/trace data in a kworker
      edgetpu: abrolhos: increase timeout for p-channel handshake
      edgetpu: abrolhos: check firmware image matches carveout
      edgetpu: check group in VII IRQ handler
      edgetpu: check finalized on detach/attach
      edgetpu: unittests various cases of mbox attach/detach
      edgetpu: abrolhos dma_unmap when domain invalid
      edgetpu: implement group attach/detach mailbox
      edgetpu: pull out kci open/close device
      edgetpu: use priority to imply detachable-ness
      edgetpu: mailbox_remove_vii() work without mailbox
      edgetpu: make edgetpu_mailbox_reinit_vii() public
      edgetpu: func to check group has mailbox detached
      edgetpu: unittests test alignment on mapping SG
      ...

Signed-off-by: Erick Reyes <erickreyes@google.com>
Change-Id: I2cd1b8b0ab4d07cb6fceca69142a950ad8efe7e9