Update tf-psa-crypto submodule

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/tf-psa-crypto b/tf-psa-crypto
index 9a43f3f..092a54c 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit 9a43f3fe868ef6da5a312a3da076b9595e02a75e
+Subproject commit 092a54c67864d06a93ac7e8bfe90b01b3e2ec2e5