Don't extend support for deprecated functions

Restore guards from the previous release, instead of the new, more
permissive guards.

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/tests/suites/test_suite_ssl.function b/tests/suites/test_suite_ssl.function
index 5ccfdaa..3ad1e19 100644
--- a/tests/suites/test_suite_ssl.function
+++ b/tests/suites/test_suite_ssl.function
@@ -3059,7 +3059,7 @@
 }
 /* END_CASE */
 
-/* BEGIN_CASE depends_on:MBEDTLS_PK_HAVE_ECC_KEYS:!MBEDTLS_DEPRECATED_REMOVED:!MBEDTLS_DEPRECATED_WARNING:MBEDTLS_ECP_HAVE_SECP192R1:MBEDTLS_ECP_HAVE_SECP224R1:MBEDTLS_ECP_HAVE_SECP256R1 */
+/* BEGIN_CASE depends_on:MBEDTLS_ECP_C:!MBEDTLS_DEPRECATED_REMOVED:!MBEDTLS_DEPRECATED_WARNING:MBEDTLS_ECP_HAVE_SECP192R1:MBEDTLS_ECP_HAVE_SECP224R1:MBEDTLS_ECP_HAVE_SECP256R1 */
 void conf_curve()
 {