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 d6031a2..dcbe6fc 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit d6031a2ad2e5f420ecc532bdd24c4998c9d6fc92
+Subproject commit dcbe6fc1da160e17ffa6ad8d2f503e13d7f505ff