APPLIED: [pull][bionic] add ARM64 RAS extension and SDEI interface.

[Seth Forshee]

On Fri, Mar 09, 2018 at 10:52:58PM -0600, Manoj Iyer wrote:
> 
> Please consider the following pull request for ARM64 Software Delegated
> Exception Interface (SDEI) cleanly cherry-picked, and RAS extension patches
> backported to bionic from latest 4.16-rc. A test kernel is available in
> ppa:manjo/uose2.
> 
> The kernel was touch tested on QDF2400 ARM64 server platform. On the
> hisilicon D06 platform I ran KVM start stop tests, created 20VMs and
> start/stop the VMs 10 times. The testcase can be found here:
> https://code.launchpad.net/~manjo/+git/kvm-testing

Applied to bionic/master-next, thanks!