Update TF-PSA-Crypto pointer

This commit updates TF-PSA-Crypto pointer to include the moved test in
Mbed TLS via TF-PSA-Crypto.

Signed-off-by: Harry Ramsey <harry.ramsey@arm.com>
diff --git a/tf-psa-crypto b/tf-psa-crypto
index c78da5a..3671d64 160000
--- a/tf-psa-crypto
+++ b/tf-psa-crypto
@@ -1 +1 @@
-Subproject commit c78da5a1e7fd503685f28b18e17756a38f10444e
+Subproject commit 3671d643746853b4a49fe25dda7842d6c22c026b