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/development/interpreters/python/setup-hook.nix

@@ -0,0 +1,14 @@
+{ runCommand }:
+
+sitePackages:
+
+let
+  hook = ./setup-hook.sh;
+in runCommand "python-setup-hook.sh" {
+  strictDeps = true;
+  inherit sitePackages;
+} ''
+  cp ${hook} hook.sh
+  substituteAllInPlace hook.sh
+  mv hook.sh $out
+''