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/kanboard/default.nix

@@ -0,0 +1,27 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+stdenv.mkDerivation rec {
+  pname = "kanboard";
+  version = "1.2.22";
+
+  src = fetchFromGitHub {
+    owner = "kanboard";
+    repo = "kanboard";
+    rev = "v${version}";
+    sha256 = "sha256-pLxCm+T9jdn0FFqbTFe1tsIPTaVTT+QDeLHDxrbpGBg=";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p $out/share/kanboard
+    cp -rv . $out/share/kanboard
+  '';
+
+  meta = with lib; {
+    description = "Kanban project management software";
+    homepage = "https://kanboard.net";
+    license = licenses.mit;
+    maintainers = with maintainers; [ fpletz lheckemann ];
+  };
+}