test_suite_psa_crypto_driver_wrappers: add counter for failing psa_cipher_update()

Signed-off-by: Valerio Setti <valerio.setti@nordicsemi.no>
diff --git a/tests/src/drivers/test_driver_cipher.c b/tests/src/drivers/test_driver_cipher.c
index 76ccdcf..b9da5d2 100644
--- a/tests/src/drivers/test_driver_cipher.c
+++ b/tests/src/drivers/test_driver_cipher.c
@@ -234,7 +234,6 @@
     size_t *output_length)
 {
     mbedtls_test_driver_cipher_hooks.hits++;
-    mbedtls_test_driver_cipher_hooks.cipher_update_hits++;
 
     if (mbedtls_test_driver_cipher_hooks.forced_output != NULL) {
         if (output_size < mbedtls_test_driver_cipher_hooks.forced_output_length) {
@@ -250,6 +249,7 @@
     }
 
     if (mbedtls_test_driver_cipher_hooks.forced_status != PSA_SUCCESS) {
+        ++mbedtls_test_driver_cipher_hooks.cipher_update_forced_status_hits;
         return mbedtls_test_driver_cipher_hooks.forced_status;
     }