revert 1.2 and define OPENSSL_NO_EC_NISTP_64_GCC_128 again, it has a downside

(breaks ssh ecdsa keys)

src/lib/libcrypto/crypto/arch/amd64/opensslconf.h

@@ -8,6 +8,9 @@
 #ifndef OPENSSL_NO_CAMELLIA
 # define OPENSSL_NO_CAMELLIA
 #endif
+#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
+# define OPENSSL_NO_EC_NISTP_64_GCC_128
+#endif
 #ifndef OPENSSL_NO_CMS
 # define OPENSSL_NO_CMS
 #endif