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/tools/graphics/gifsicle/default.nix

@@ -0,0 +1,35 @@
+{ lib, stdenv, fetchurl, xorgproto, libXt, libX11
+, gifview ? false
+, static ? stdenv.hostPlatform.isStatic
+}:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "gifsicle";
+  version = "1.93";
+
+  src = fetchurl {
+    url = "https://www.lcdf.org/gifsicle/${pname}-${version}.tar.gz";
+    sha256 = "sha256-kvZweXMr9MHaCH5q4JBSBYRuWsd3ulyqZtEqc6qUNEc=";
+  };
+
+  buildInputs = optionals gifview [ xorgproto libXt libX11 ];
+
+  configureFlags = optional (!gifview) "--disable-gifview";
+
+  LDFLAGS = optionalString static "-static";
+
+  doCheck = true;
+  checkPhase = ''
+    ./src/gifsicle --info logo.gif
+  '';
+
+  meta = {
+    description = "Command-line tool for creating, editing, and getting information about GIF images and animations";
+    homepage = "https://www.lcdf.org/gifsicle/";
+    license = lib.licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = with lib.maintainers; [ zimbatm ];
+  };
+}