hardknott: yocto release

Latest upstream yocto has moved on to the 3.3 hardknott release

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: Ieae36798d66d21c2c642931f06407d3bb2acf163
diff --git a/meta-intel-openbmc/meta-s2600wf/conf/layer.conf b/meta-intel-openbmc/meta-s2600wf/conf/layer.conf
index c5001be..82a9da0 100644
--- a/meta-intel-openbmc/meta-s2600wf/conf/layer.conf
+++ b/meta-intel-openbmc/meta-s2600wf/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "s2600wf"
 BBFILE_PATTERN_s2600wf = ""
 BBFILE_PRIORITY_s2600wf = "5"
-LAYERSERIES_COMPAT_s2600wf = "dunfell gatesgarth"
+LAYERSERIES_COMPAT_s2600wf = "gatesgarth hardknott"