uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/tools/networking/driftnet/libwebsockets-4.3.0.patch

@@ -0,0 +1,12 @@
+diff --git a/src/http_display/httpd.c b/src/http_display/httpd.c
+index f4709ef..7921d23 100644
+--- a/src/http_display/httpd.c
++++ b/src/http_display/httpd.c
+@@ -191,7 +191,6 @@ static void * http_server_dispatch(void *arg)
+         LWSMPRO_FILE,                  /* mount type is a directory in a filesystem */
+         1,                                     /* strlen("/"), ie length of the mountpoint */
+         NULL,
+-        { NULL, NULL } // sentinel
+     };
+
+     memset(&info, 0, sizeof info);