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/misc/hashit/default.nix

@@ -0,0 +1,49 @@
+{ lib, stdenv, fetchFromGitHub, nix-update-script, meson, ninja, pkg-config, vala, pantheon, python3, libgee, gtk3, desktop-file-utils, wrapGAppsHook }:
+
+stdenv.mkDerivation rec {
+  pname = "hashit";
+  version = "1.1.0";
+
+  src = fetchFromGitHub {
+    owner = "artemanufrij";
+    repo = pname;
+    rev = version;
+    sha256 = "1s8fbzg1z2ypn55xg1pfm5xh15waq55fkp49j8rsqiq8flvg6ybf";
+  };
+
+  nativeBuildInputs = [
+    desktop-file-utils
+    meson
+    ninja
+    vala
+    pkg-config
+    python3
+    wrapGAppsHook
+  ];
+
+  buildInputs = [
+    gtk3
+    libgee
+    pantheon.granite
+  ];
+
+  postPatch = ''
+    chmod +x meson/post_install.py
+    patchShebangs meson/post_install.py
+  '';
+
+  passthru = {
+    updateScript = nix-update-script {
+      attrPath = pname;
+    };
+  };
+
+  meta = with lib; {
+    description = "A simple app for checking usual checksums - Designed for elementary OS";
+    homepage = "https://github.com/artemanufrij/hashit";
+    license = licenses.gpl2Plus;
+    maintainers = teams.pantheon.members;
+    platforms = platforms.linux;
+    mainProgram = "com.github.artemanufrij.hashit";
+  };
+}