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/nix/info/default.nix

@@ -0,0 +1,45 @@
+{ stdenv, lib, coreutils, findutils, gnugrep, darwin
+# Avoid having GHC in the build-time closure of all NixOS configurations
+, doCheck ? false, shellcheck
+}:
+
+stdenv.mkDerivation {
+  name = "nix-info";
+  src = ./info.sh;
+
+  path = lib.makeBinPath ([
+    coreutils findutils gnugrep
+  ] ++ (if stdenv.isDarwin then [ darwin.DarwinTools ] else []));
+  is_darwin = if stdenv.isDarwin then "yes" else "no";
+
+  sandboxtest = ./sandbox.nix;
+  relaxedsandboxtest = ./relaxedsandbox.nix;
+  multiusertest = ./multiuser.nix;
+
+  unpackCmd = ''
+    mkdir nix-info
+    cp $src ./nix-info/nix-info
+  '';
+
+  buildPhase  = ''
+    substituteAllInPlace ./nix-info
+  '';
+
+  inherit doCheck;
+  checkInputs = [ shellcheck ];
+
+  checkPhase = ''
+    shellcheck ./nix-info
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp ./nix-info $out/bin/nix-info
+  '';
+
+  preferLocalBuild = true;
+
+  meta = {
+    platforms = lib.platforms.all;
+  };
+}