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/web/kcgi/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, pkg-config, fetchFromGitHub, libbsd }:
+
+stdenv.mkDerivation rec {
+  pname = "kcgi";
+  version = "0.10.8";
+  underscoreVersion = lib.replaceChars ["."] ["_"] version;
+
+  src = fetchFromGitHub {
+    owner = "kristapsdz";
+    repo = pname;
+    rev = "VERSION_${underscoreVersion}";
+    sha256 = "0ha6r7bcgf6pcn5gbd2sl7835givhda1jql49c232f1iair1yqyp";
+  };
+  patchPhase = ''substituteInPlace configure \
+    --replace /usr/local /
+  '';
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ ] ++ lib.optionals stdenv.isLinux [ libbsd ] ;
+
+  dontAddPrefix = true;
+
+  installFlags = [ "DESTDIR=$(out)" ];
+
+  meta = with lib; {
+    broken = (stdenv.isLinux && stdenv.isAarch64);
+    homepage = "https://kristaps.bsd.lv/kcgi";
+    description = "Minimal CGI and FastCGI library for C/C++";
+    license = licenses.isc;
+    platforms = platforms.all;
+    maintainers = [ maintainers.leenaars ];
+    mainProgram = "kfcgi";
+  };
+}