Add default return case to mbedtls_test_transparent_key_agreement()

Signed-off-by: Aditya Deshpande <aditya.deshpande@arm.com>
diff --git a/include/psa/crypto_config.h b/include/psa/crypto_config.h
index 13532a0..5ab4fde 100644
--- a/include/psa/crypto_config.h
+++ b/include/psa/crypto_config.h
@@ -62,7 +62,7 @@
 #define PSA_WANT_ALG_CHACHA20_POLY1305          1
 #define PSA_WANT_ALG_CTR                        1
 #define PSA_WANT_ALG_DETERMINISTIC_ECDSA        1
-#define PSA_WANT_ALG_ECB_NO_PADDING
+#define PSA_WANT_ALG_ECB_NO_PADDING             1
 #define PSA_WANT_ALG_ECDH                       1
 #define PSA_WANT_ALG_ECDSA                      1
 #define PSA_WANT_ALG_JPAKE                      1
@@ -86,7 +86,7 @@
 #define PSA_WANT_ALG_SHA_256                    1
 #define PSA_WANT_ALG_SHA_384                    1
 #define PSA_WANT_ALG_SHA_512                    1
-#define PSA_WANT_ALG_STREAM_CIPHER
+#define PSA_WANT_ALG_STREAM_CIPHER              1
 #define PSA_WANT_ALG_TLS12_PRF                  1
 #define PSA_WANT_ALG_TLS12_PSK_TO_MS            1
 #define PSA_WANT_ALG_TLS12_ECJPAKE_TO_PMS       1
diff --git a/tests/src/drivers/test_driver_key_agreement.c b/tests/src/drivers/test_driver_key_agreement.c
index 393a81a..20d1d6b 100644
--- a/tests/src/drivers/test_driver_key_agreement.c
+++ b/tests/src/drivers/test_driver_key_agreement.c
@@ -82,6 +82,16 @@
                 alg, peer_key, peer_key_length,
                 shared_secret, shared_secret_size,
                 shared_secret_length ) );
+#else
+        (void) attributes;
+        (void) key_buffer;
+        (void) key_buffer_size;
+        (void) peer_key;
+        (void) peer_key_length;
+        (void) shared_secret;
+        (void) shared_secret_size;
+        (void) shared_secret_length;
+        return( PSA_ERROR_NOT_SUPPORTED );
 #endif
     }
     else