psa_asymmetric_decrypt: add test driver impl

Signed-off-by: Przemyslaw Stekiel <przemyslaw.stekiel@mobica.com>
diff --git a/include/mbedtls/rsa.h b/include/mbedtls/rsa.h
index 90da0f9..02de176 100644
--- a/include/mbedtls/rsa.h
+++ b/include/mbedtls/rsa.h
@@ -90,6 +90,32 @@
     size_t output_size,
     size_t *output_length);
 
+psa_status_t mbedtls_test_transparent_asymmetric_decrypt(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key_buffer,
+    size_t key_buffer_size,
+    psa_algorithm_t alg,
+    const uint8_t *input,
+    size_t input_length,
+    const uint8_t *salt,
+    size_t salt_length,
+    uint8_t *output,
+    size_t output_size,
+    size_t *output_length );
+
+psa_status_t mbedtls_test_opaque_asymmetric_decrypt(
+    const psa_key_attributes_t *attributes,
+    const uint8_t *key,
+    size_t key_length,
+    psa_algorithm_t alg,
+    const uint8_t *input,
+    size_t input_length,
+    const uint8_t *salt,
+    size_t salt_length,
+    uint8_t *output,
+    size_t output_size,
+    size_t *output_length);
+
 #endif /* PSA_CRYPTO_DRIVER_TEST */
 
 /*