meta-quanta: layer.conf: Add warrior compatibility

oe-core branched in preparation for the upcoming 2.7 Yocto release and
as of 13e45ff requires core layer compatibility to "warrior" instead of
"thud".  We'll retain compatibility for both until we do our own branch
or stop testing thud.

Signed-off-by: Patrick Venture <venture@google.com>
Change-Id: I8557016289724245c25ebb4fa7166f13bd43da82
diff --git a/meta-f0b/conf/layer.conf b/meta-f0b/conf/layer.conf
index 66f5bb3..dc10042 100644
--- a/meta-f0b/conf/layer.conf
+++ b/meta-f0b/conf/layer.conf
@@ -7,4 +7,4 @@
 
 BBFILE_COLLECTIONS += "f0b-layer"
 BBFILE_PATTERN_f0b-layer = ""
-LAYERSERIES_COMPAT_f0b-layer = "thud"
+LAYERSERIES_COMPAT_f0b-layer = "thud warrior"