Update submodules

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
diff --git a/tf-psa-crypto b/tf-psa-crypto
index 5ab6c9c..dc6c602 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit 5ab6c9c8d6fae90fa46f51fbc7d5d1327a041388
+Subproject commit dc6c60204bbf841f0b118840813e561a399e4d73