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/libraries/libgdamm/default.nix

@@ -0,0 +1,40 @@
+{ lib, stdenv, fetchurl, pkg-config, glibmm, libgda, libxml2, gnome
+, mysqlSupport ? false
+, postgresSupport ? false }:
+
+let
+  gda = libgda.override {
+    inherit mysqlSupport postgresSupport;
+  };
+in stdenv.mkDerivation rec {
+  pname = "libgdamm";
+  version = "4.99.11";
+
+  outputs = [ "out" "dev" ];
+
+  src = fetchurl {
+    url = "mirror://gnome/sources/${pname}/${lib.versions.majorMinor version}/${pname}-${version}.tar.xz";
+    sha256 = "1fyh15b3f8hmwbswalxk1g4l04yvvybksn5nm7gznn5jl5q010p9";
+  };
+
+  nativeBuildInputs = [ pkg-config ];
+  buildInputs = [ glibmm libxml2 ];
+  propagatedBuildInputs = [ gda ];
+
+  enableParallelBuilding = true;
+
+  passthru = {
+    updateScript = gnome.updateScript {
+      packageName = pname;
+      versionPolicy = "none"; # Should be odd-unstable but stable version has not been released yet.
+    };
+  };
+
+  meta = with lib; {
+    description = "C++ bindings for libgda";
+    homepage = "https://www.gnome-db.org/";
+    license = licenses.lgpl21Plus;
+    maintainers = teams.gnome.members;
+    platforms = platforms.linux;
+  };
+}