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/guile-modules/guile-xcb/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+, guile
+, pkg-config
+, texinfo
+}:
+
+stdenv.mkDerivation rec {
+  pname = "guile-xcb";
+  version = "1.3";
+
+  src = fetchFromGitHub {
+    owner = "mwitmer";
+    repo = pname;
+    rev = version;
+    hash = "sha256-8iaYil2wiqnu9p7Gj93GE5akta1A0zqyApRwHct5RSs=";
+  };
+
+  nativeBuildInputs = [
+    pkg-config
+  ];
+  buildInputs = [
+    guile
+    texinfo
+  ];
+
+  configureFlags = [
+    "--with-guile-site-dir=$out/share/guile/site"
+    "--with-guile-site-ccache-dir=$out/share/guile/site"
+  ];
+
+  meta = with lib; {
+    homepage = "https://github.com/mwitmer/guile-xcb";
+    description = "XCB bindings for Guile";
+    license = licenses.gpl3Plus;
+    maintainers = with maintainers; [ vyp ];
+    platforms = platforms.linux;
+  };
+}