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/tools/git-ftp/default.nix

@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchFromGitHub, pandoc, man }:
+stdenv.mkDerivation rec {
+  pname = "git-ftp";
+  version = "1.6.0";
+  src = fetchFromGitHub {
+    owner = "git-ftp";
+    repo = "git-ftp";
+    rev = version;
+    sha256 = "1hxkqf7jbrx24q18yxpnd3dxzh4xk6asymwkylp1x7zg6mcci87d";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    make install-all prefix=$out
+  '';
+
+  buildInputs = [pandoc man];
+
+  meta = with lib; {
+    description = "Git powered FTP client written as shell script";
+    homepage = "https://git-ftp.github.io/";
+    license = licenses.gpl3;
+    maintainers = with maintainers; [ tweber ];
+    platforms = platforms.unix;
+  };
+}