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/os-specific/linux/libsmbios/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchFromGitHub, pkg-config, autoreconfHook, help2man, gettext
+, libxml2, perl, python3, doxygen }:
+
+
+stdenv.mkDerivation rec {
+  pname = "libsmbios";
+  version = "2.4.3";
+
+  src = fetchFromGitHub {
+    owner = "dell";
+    repo = "libsmbios";
+    rev = "v${version}";
+    sha256 = "0krwwydyvb9224r884y1mlmzyxhlfrcqw73vi1j8787rl0gl5a2i";
+  };
+
+  nativeBuildInputs = [ autoreconfHook doxygen gettext libxml2 help2man perl pkg-config ];
+
+  buildInputs = [ python3 ];
+
+  configureFlags = [ "--disable-graphviz" ];
+
+  enableParallelBuilding = true;
+
+  postInstall = ''
+    mkdir -p $out/include
+    cp -a src/include/smbios_c $out/include/
+    cp -a out/public-include/smbios_c $out/include/
+  '';
+
+  preFixup = ''rm -rf "$(pwd)" ''; # Hack to avoid TMPDIR in RPATHs
+
+  meta = with lib; {
+    homepage = "https://github.com/dell/libsmbios";
+    description = "A library to obtain BIOS information";
+    license = with licenses; [ osl21 gpl2Plus ];
+    maintainers = with maintainers; [ ];
+    platforms = [ "i686-linux" "x86_64-linux" ];
+  };
+}