Enabling GPS support for the Cinterion PLS8 devices

[Dan Williams]

On Wed, 2017-05-17 at 15:23 +0200, Aleksander Morgado wrote:
> Hey Dan, Matthew & everyone,
> 
> The following patches implement support for GPS capabilities in the
> Cinterion PLS8-X, PLS8-E and similar devices, plus some additional
> improvements in how GPS support is handled.
> 
> The logic is based on Matthew's original logic included in the patch
> he submitted here:
> https://lists.freedesktop.org/archives/modemmanager-devel/2016-August
> /003381.html
> 
> Comments?

Other than the GCancellable thing for the enable idle callback, looks
good to me.

Dan