framework: update reference

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/framework b/framework
index 2a3e2c5..893ad9e 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 2a3e2c5ea053c14b745dbdf41f609b1edc6a72fa
+Subproject commit 893ad9e8450a8e7459679d952abd5d6df26c41c4