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/games/vessel/isatty.c

@@ -0,0 +1,6 @@
+// We override isatty to help 'automate' installers. 
+
+// Some installers (mojoinstall) have a stdio GUI that refuses to run if you
+// feed it a file on stdin. This should help that. 
+
+int isatty(int fd) { return 1; }