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/shells/zsh/pure-prompt/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub }:
+
+with lib;
+
+stdenv.mkDerivation rec {
+  pname = "pure-prompt";
+  version = "1.20.1";
+
+  src = fetchFromGitHub {
+    owner = "sindresorhus";
+    repo = "pure";
+    rev = "v${version}";
+    sha256 = "sha256-iuLi0o++e0PqK81AKWfIbCV0CTIxq2Oki6U2oEYsr68=";
+  };
+
+  strictDeps = true;
+  installPhase = ''
+    OUTDIR="$out/share/zsh/site-functions"
+    mkdir -p "$OUTDIR"
+    cp pure.zsh "$OUTDIR/prompt_pure_setup"
+    cp async.zsh "$OUTDIR/async"
+  '';
+
+  meta = {
+    description = "Pretty, minimal and fast ZSH prompt";
+    homepage = "https://github.com/sindresorhus/pure";
+    license = licenses.mit;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ pacien pablovsky ];
+  };
+}