Updated tf-psa-crypto pointer

Signed-off-by: Minos Galanakis <minos.galaanakis@arm.com>
diff --git a/tf-psa-crypto b/tf-psa-crypto
index 35ae18c..9af7c0e 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit 35ae18cf891d3675584da41f7e830f1de5f87f07
+Subproject commit 9af7c0e7ba4d6bf2a9c3e56a3e3f04b4b053ce47