treewide: add nanbield to LAYERSERIES_COMPAT

Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
Change-Id: I85272779478b66452acd11be93f5fea99e4c3a34
diff --git a/meta-facebook/meta-bletchley/conf/layer.conf b/meta-facebook/meta-bletchley/conf/layer.conf
index 4a9a45b..9dca13c 100644
--- a/meta-facebook/meta-bletchley/conf/layer.conf
+++ b/meta-facebook/meta-bletchley/conf/layer.conf
@@ -8,4 +8,4 @@
 BBFILE_COLLECTIONS += "bletchley-layer"
 BBFILE_PATTERN_bletchley-layer := "^${LAYERDIR}/"
 
-LAYERSERIES_COMPAT_bletchley-layer := "langdale mickledore"
+LAYERSERIES_COMPAT_bletchley-layer := "mickledore nanbield"