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/networking/tinyfecvpn/default.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config }:
+
+stdenv.mkDerivation rec {
+  pname = "tinyfecvpn";
+  version = "20210116.0";
+
+  src = fetchFromGitHub {
+    owner = "wangyu-";
+    repo = pname;
+    rev = version;
+    sha256 = "sha256-Ng5AZJfrnNXSSbhJKBc+giNp2yOWta0EozWHB7lFUmw=";
+    fetchSubmodules = true;
+  };
+
+  enableParallelBuilding = true;
+  nativeBuildInputs = [ pkg-config ];
+
+  patchPhase = ''
+    runHook prePatch
+    find . -type f -name "makefile" -exec sed "s/ -static/ -g/g" -i \{\} \;
+    runHook postPatch
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -Dm755 tinyvpn $out/bin/tinyvpn
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/wangyu-/tinyfecVPN";
+    description = "A VPN Designed for Lossy Links, with Build-in Forward Error Correction(FEC) Support";
+    license = licenses.mit;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ petabyteboy ];
+  };
+}