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/science/electronics/xoscope/default.nix

@@ -0,0 +1,32 @@
+{ lib
+, stdenv
+, fetchurl
+, gtk3
+, gtkdatabox
+, fftw
+, gnum4
+, comedilib
+, alsa-lib
+, pkg-config
+}:
+
+stdenv.mkDerivation rec {
+  pname = "xoscope";
+  version = "2.3";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/xoscope/${pname}-${version}.tar.gz";
+    sha256 = "0a5ycfc1qdmibvagc82r2mhv2i99m6pndy5i6ixas3j2297g6pgq";
+  };
+
+  nativeBuildInputs = [ pkg-config gnum4 ];
+  buildInputs = [ gtk3 gtkdatabox fftw comedilib alsa-lib ];
+
+  meta = {
+    description = "Oscilloscope through the sound card";
+    homepage = "http://xoscope.sourceforge.net";
+    license = lib.licenses.gpl2Plus;
+    maintainers = with lib.maintainers; [viric];
+    platforms = with lib.platforms; linux;
+  };
+}