tests: psa: Change key management test driver default forced return value

Change key management test driver default forced
return value from PSA_ERROR_NOT_SUPPORTED to
PSA_SUCCESS to be able to run the PSA unit tests
with the cryptographic key management operations
being handled by the transparent test driver.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/include/test/drivers/key_management.h b/tests/include/test/drivers/key_management.h
index 9d51758..b30baa2 100644
--- a/tests/include/test/drivers/key_management.h
+++ b/tests/include/test/drivers/key_management.h
@@ -41,7 +41,7 @@
     unsigned long hits;
 } test_driver_key_management_hooks_t;
 
-#define TEST_DRIVER_KEY_MANAGEMENT_INIT { NULL, 0, PSA_ERROR_NOT_SUPPORTED, 0 }
+#define TEST_DRIVER_KEY_MANAGEMENT_INIT { NULL, 0, PSA_SUCCESS, 0 }
 static inline test_driver_key_management_hooks_t test_driver_key_management_hooks_init( void )
 {
     const test_driver_key_management_hooks_t v = TEST_DRIVER_KEY_MANAGEMENT_INIT;