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/shfm/default.nix

@@ -0,0 +1,38 @@
+{ lib
+, stdenv
+, fetchFromGitHub
+}:
+
+stdenv.mkDerivation rec {
+  pname = "shfm";
+  version = "0.4.2";
+
+  src = fetchFromGitHub {
+    owner = "dylanaraps";
+    repo = pname;
+    rev = version;
+    hash = "sha256-ilVrUFfyzOZgjbBTqlHA9hLaTHw1xHFo1Y/tjXygNEs=";
+  };
+
+  postPatch = ''
+    patchShebangs ./shfm
+  '';
+
+  dontConfigure = true;
+  dontBuild = true;
+
+  installPhase = ''
+    runHook preInstall
+    install -D shfm --target-directory $out/bin/
+    install -D README --target-directory $out/share/doc/${pname}/
+    runHook postInstall
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/dylanaraps/shfm";
+    description = "POSIX-shell based file manager";
+    license = licenses.mit;
+    maintainers = with maintainers; [ AndersonTorres ];
+    platforms = platforms.all;
+  };
+}