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/applications/misc/libosmocore/default.nix

@@ -0,0 +1,52 @@
+{ lib, stdenv
+, autoreconfHook
+, fetchFromGitHub
+, gnutls
+, libmnl
+, libusb1
+, lksctp-tools
+, pcsclite
+, pkg-config
+, python3
+, talloc
+}:
+
+stdenv.mkDerivation rec {
+  pname = "libosmocore";
+  version = "1.6.0";
+
+  src = fetchFromGitHub {
+    owner = "osmocom";
+    repo = "libosmocore";
+    rev = version;
+    hash = "sha256-AjOyZiLlXhsetbyMBuUssoNxk22LzGOkZpeLt4vKli4=";
+  };
+
+  propagatedBuildInputs = [
+    talloc
+  ];
+
+  nativeBuildInputs = [
+    autoreconfHook
+    pkg-config
+    python3
+  ];
+
+  buildInputs = [
+    gnutls
+    libmnl
+    libusb1
+    lksctp-tools
+    pcsclite
+  ];
+
+  enableParallelBuilding = true;
+
+  meta = with lib; {
+    description = "Set of Osmocom core libraries";
+    homepage = "https://github.com/osmocom/libosmocore";
+    license = licenses.gpl2Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ mog ];
+  };
+}