ANDROID: GKI: Additions to ARM SMMU register definitions

Define more bits and fields used by vendor IOMMU implementations.

This is a snapshot of this file as of commit 79efc458af96. All
Signed-off-bys from the commits have been preserved.

Signed-off-by: Sudarshan Rajagopalan <sudaraja@codeaurora.org>
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
Signed-off-by: Vijayanand Jitta <vjitta@codeaurora.org>
Signed-off-by: Prakash Gupta <guptap@codeaurora.org>
Signed-off-by: Charan Teja Reddy <charante@codeaurora.org>
Signed-off-by: Swathi Sridhar <swatsrid@codeaurora.org>
Change-Id: I3cbe456457290f99b5099472e9012b411c4f4212
Bug: 155522481
Signed-off-by: Mark Salyzyn <salyzyn@google.com>
Signed-off-by: Saravana Kannan <saravanak@google.com>