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/ldacbt/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv
+, fetchFromGitHub
+, cmake
+}:
+
+stdenv.mkDerivation rec {
+  pname = "ldacBT";
+  version = "2.0.2.3";
+
+  src = fetchFromGitHub {
+    repo = "ldacBT";
+    owner = "ehfive";
+    rev = "v${version}";
+    sha256 = "09dalysx4fgrgpfdm9a51x6slnf4iik1sqba4xjgabpvq91bnb63";
+    fetchSubmodules = true;
+  };
+
+  nativeBuildInputs = [
+    cmake
+  ];
+
+  meta = with lib; {
+    description = "AOSP libldac dispatcher";
+    homepage    = "https://github.com/EHfive/ldacBT";
+    license     = licenses.asl20;
+    platforms   = platforms.all;
+    maintainers = with maintainers; [ adisbladis ];
+  };
+}