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/libdc1394/default.nix

@@ -0,0 +1,25 @@
+{ lib, stdenv, fetchurl, libraw1394
+, libusb1, CoreServices }:
+
+stdenv.mkDerivation rec {
+  pname = "libdc1394";
+  version = "2.2.6";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/libdc1394/${pname}-${version}.tar.gz";
+    sha256 = "1v8gq54n1pg8izn7s15yylwjf8r1l1dmzbm2yvf6pv2fmb4mz41b";
+  };
+
+  buildInputs = [ libusb1 ]
+    ++ lib.optional stdenv.isLinux libraw1394
+    ++ lib.optional stdenv.isDarwin CoreServices;
+
+  meta = with lib; {
+    description = "Capture and control API for IIDC compliant cameras";
+    homepage = "https://sourceforge.net/projects/libdc1394/";
+    license = licenses.lgpl21Plus;
+    maintainers = [ maintainers.viric ];
+    mainProgram = "dc1394_reset_bus";
+    platforms = platforms.unix;
+  };
+}