framework: update reference

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/framework b/framework
index 28dc4ca..a39ba59 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 28dc4cae3f71f5425dd42953c6f2f38d49123bee
+Subproject commit a39ba59344fd4f1d0ee267ca414b9420d5dca9f5