add zeus to layer compatibility

[Vijay Khemka]

On 9/19/19, 9:44 AM, "openbmc on behalf of Brad Bishop" <openbmc-bounces+vijaykhemka=fb.com at lists.ozlabs.org on behalf of bradleyb at fuzziesquirrel.com> wrote:

    This is just a quick reminder to add zeus to your LAYERSERIES_COMPAT.   
    Doing this ahead of time (now) will save you from a last minute scramble  
    when I pull in OE-Core that drops support for warrior.

Thanks Brad,
I will send patch for meta-facebook.
    
    thx - brad