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/font-config-info/default.nix

@@ -0,0 +1,46 @@
+{ stdenv
+, lib
+, fetchFromGitHub
+, pkg-config
+, gtk3
+, xsettingsd
+}:
+
+stdenv.mkDerivation rec {
+  pname = "font-config-info";
+  version = "1.0.0";
+
+  src = fetchFromGitHub {
+    owner = "derat";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "14z7hg9c7q8wliyqv68kp080mmk2rh6kpww6pn87hy7lwq20l2b7";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+
+  buildInputs = [
+    gtk3
+    xsettingsd
+  ];
+
+  postPatch = ''
+    substituteInPlace font-config-info.c --replace "dump_xsettings |" "${xsettingsd}/bin/dump_xsettings |"
+  '';
+
+  installPhase = ''
+    runHook preInstall
+    install -D -t $out/bin font-config-info
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    description = "Prints a Linux system's font configuration";
+    homepage = "https://github.com/derat/font-config-info";
+    license = with licenses; [ bsd3 ];
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ romildo ];
+  };
+}