yocto:mickledore: add support for new yocto layer

Signed-off-by: Andrew Geissler <geissonator@yahoo.com>
Change-Id: I8e54833ac78e540e9dd5011533d53ff9a3af6763
diff --git a/meta-security/meta-security-isafw/conf/layer.conf b/meta-security/meta-security-isafw/conf/layer.conf
index 724742d..bc88530 100644
--- a/meta-security/meta-security-isafw/conf/layer.conf
+++ b/meta-security/meta-security-isafw/conf/layer.conf
@@ -14,4 +14,4 @@
 
 LAYERDEPENDS_security-isafw = "core"
 
-LAYERSERIES_COMPAT_security-isafw = "kirkstone langdale"
+LAYERSERIES_COMPAT_security-isafw = "langdale mickledore"