Move PSA drivers to drivers/builtin/src

They were mistakenly moved to the
core directory from the library
directory.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/tests/src/drivers/test_driver_signature.c b/tests/src/drivers/test_driver_signature.c
index 02c6298..92ec93b 100644
--- a/tests/src/drivers/test_driver_signature.c
+++ b/tests/src/drivers/test_driver_signature.c
@@ -26,9 +26,9 @@
 #include "test/random.h"
 
 #if defined(MBEDTLS_TEST_LIBTESTDRIVER1)
-#include "libtestdriver1/tf-psa-crypto/core/psa_crypto_ecp.h"
-#include "libtestdriver1/tf-psa-crypto/core/psa_crypto_hash.h"
-#include "libtestdriver1/tf-psa-crypto/core/psa_crypto_rsa.h"
+#include "libtestdriver1/tf-psa-crypto/drivers/builtin/src/psa_crypto_ecp.h"
+#include "libtestdriver1/tf-psa-crypto/drivers/builtin/src/psa_crypto_hash.h"
+#include "libtestdriver1/tf-psa-crypto/drivers/builtin/src/psa_crypto_rsa.h"
 #endif
 
 #include <string.h>