[PULL][Bionic] Replace LPC patchset with upstream version

[Seth Forshee]

On Mon, Apr 09, 2018 at 04:25:38PM -0600, dann frazier wrote:
> The LPC patchset for HiSilicon boards landed upstream in the v4.17
> merge window. We're currently carrying an earlier version (v14) of the
> patches as SAUCE, while v17 + a bug fix is what was eventually merged.
> 
> There is at least one notable bug fix in the upstream version (a
> Coverity-discovered dereference-before-null-check), along with quite a
> bit of coding style clean-up. Replacing our patches w/ upstream
> cherry-picks will increase the odds that future upstream bug fixes
> will apply cleanly. Let's fix that bug and reduce our technical debt
> by syncing with the upstream patches.
> 
> The following changes since commit e11f6df5108b12a63480686da6428e3fe1d9ccfa:
> 
>   cxl: Check if PSL data-cache is available before issue flush request (2018-04-09 11:40:29 -0300)
> 
> are available in the Git repository at:
> 
>   git://git.launchpad.net/~dannf/ubuntu/+source/linux/+git/linux upstream-lpc-bionic
> 
> for you to fetch changes up to 580316d23432995530f57e90210d418b96d72179:
> 
>   MAINTAINERS: Add John Garry as maintainer for HiSilicon LPC driver (2018-04-09 16:06:33 -0600)

The changes themselves look good, but let's not reuse the old bug
number. Can you open a new bug for updating the patches and change the
buglinks?  Thanks!