framework: update reference

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/framework b/framework
index 1a83e0c..977db0c 160000
--- a/framework
+++ b/framework
@@ -1 +1 @@
-Subproject commit 1a83e0c84d4b7aa11c7cfd3771322486fc87d281
+Subproject commit 977db0c8bcb083b436652d9339bd142f46bf64bb