Revert "iommu/core: pass a user-provided token to fault handlers"

This reverts commit dfb7915d783e9a9e5eebb8ab39b24ad5152c2e33.
Revert "Add separate kernel memory mapping for GPU shader memory."

This reverts commit 21e7b600716aa9823d2d58e6d6ecd8c9c060f229.
Revert "gpu: msm: Add new Adreno driver and sync with upstream"

This reverts commit ca3b7a80cc758b9ec68b190b02c0fa449eb99e09.
Revert "include/linux/page-flags.h: fix merge derp"

This reverts commit ab03d90e0627cc10395e08e8dab9b7ea13b0dba2.
Revert "gpu: msm: Add new Adreno driver"

This reverts commit 39231427fdb8dcb84b5c7c0b647bf5e61e31b1f7.
include/linux/page-flags.h: fix merge derp

Signed-off-by: Paul Reioux <reioux@gmail.com>