treewide: add nanbield to LAYERSERIES_COMPAT

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I85272779478b66452acd11be93f5fea99e4c3a34
diff --git a/meta-ibm/conf/layer.conf b/meta-ibm/conf/layer.conf
index d8478bb..7f6d27b 100644
--- a/meta-ibm/conf/layer.conf
+++ b/meta-ibm/conf/layer.conf
@@ -7,7 +7,7 @@
 
 BBFILE_COLLECTIONS += "ibm-layer"
 BBFILE_PATTERN_ibm-layer := "^${LAYERDIR}/"
-LAYERSERIES_COMPAT_ibm-layer = "langdale mickledore"
+LAYERSERIES_COMPAT_ibm-layer = "mickledore nanbield"
 
 # Only bring in meta-openpower bbappend files if meta-openpower is
 # included in the layer