tf-psa-crypto: update reference

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tf-psa-crypto b/tf-psa-crypto
index 6721256..2cfed8e 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit 67212566e95c936f8375eb634c249dd71dea582d
+Subproject commit 2cfed8e711554ffc9432209caa62244938a7da7b