ACK/cmt: [Eoan/master][SRU] arm64: snapdragon: enable the Dragonboards out of Eoan/master arm64 kernel

[Seth Forshee]

On Fri, Oct 04, 2019 at 03:30:56PM +0200, Paolo Pisati wrote:
> BugLink: https://bugs.launchpad.net/bugs/1846704
> 
> [Impact]
> 
> Upstream has good support for Qcom Snapdragon SOCs, so enable the Dragonboards
> out of it, isolating all the changes in a 'snapdragon' flavour.
> 
> [Fix]
> 
> Apply the packaging and config changes in the pull request below.
> 
> [How to test]
> 
> Boot the resulting kernel on the db410c / db820c boards.
> 
> [Regression potential]
> 
> No code changes are involved: it's all config work and everything has been
> isolated into its own 'snapdragon' flavour.
> 
> Proposing for Eoan/master.

Given that we only have config differences here I wonder if we could
just make the changes to the generic kernel and not have a flavor at
all. However, this late in eoan it's probably more sensible to go with a
flavor, but we should revisit this in FF.

We also need to do -meta and -signed updates for snapdragon. For the
kernel support:

Acked-by: Seth Forshee <seth.forshee at canonical.com>