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/misc/h/default.nix

@@ -0,0 +1,28 @@
+{ lib, stdenv, fetchFromGitHub, makeWrapper, ruby }:
+
+stdenv.mkDerivation rec {
+  pname = "h";
+  version = "1.0.3";
+
+  src = fetchFromGitHub {
+    owner = "zimbatm";
+    repo = "h";
+    rev = "v${version}";
+    hash = "sha256-RyQZ9F+rZ0a/90hljSyNCzYK8eA3rYJlJkV7B5NPRzY=";
+  };
+
+  buildInputs = [ ruby ];
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp h $out/bin/h
+    cp up $out/bin/up
+  '';
+
+  meta = with lib; {
+    description = "faster shell navigation of projects";
+    homepage = "https://github.com/zimbatm/h";
+    license = licenses.mit;
+    maintainers = [ maintainers.zimbatm ];
+  };
+}