Move ssl_ticket to the PSA API

Convert the mbedtl_ssl_ticket_setup function to use the TF_PSA_Crypto
API.

Signed-off-by: Ben Taylor <ben.taylor@linaro.org>
diff --git a/ChangeLog.d/9874.txt b/ChangeLog.d/9874.txt
new file mode 100644
index 0000000..efcaa3a
--- /dev/null
+++ b/ChangeLog.d/9874.txt
@@ -0,0 +1,2 @@
+API changes
+   * Convert the mbedtl_ssl_ticket_setup function to use the TF_PSA_Crypto API.