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/pfetch/default.nix

@@ -0,0 +1,27 @@
+{ stdenvNoCC, lib, fetchFromGitHub }:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "pfetch";
+  version = "0.6.0";
+
+  src = fetchFromGitHub {
+    owner = "dylanaraps";
+    repo = "pfetch";
+    rev = version;
+    sha256 = "06z0k1naw3k052p2z7241lx92rp5m07zlr0alx8pdm6mkc3c4v8f";
+  };
+
+  dontBuild = true;
+
+  installPhase = ''
+    install -Dm755 -t $out/bin pfetch
+  '';
+
+  meta = with lib; {
+    description = "A pretty system information tool written in POSIX sh";
+    homepage = "https://github.com/dylanaraps/pfetch";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ equirosa ];
+  };
+}