[yocto] Tested host distros for 1.1

[Xu, Jiajun]

> Hi all,
> 
> We now have the mechanism for fixing bug #1096 [1] i.e. showing a
> warning if the user is running a build on a distro that has not been
> tested; however to make this work what we now need is a list of
> distributions we want to consider tested. What distros specifically are we going to list for 1.1?
> 

We check Ubuntu, Opensuse and Fedora in our regular testing. So at least, the 3 distros should be added as support.

> Cheers,
> Paul
> 
> [1] http://bugzilla.pokylinux.org/show_bug.cgi?id=1096
> 
>

Best Regards,
Jiajun