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/filesystems/zpool-iostat-viz/default.nix

@@ -0,0 +1,40 @@
+{ lib
+, fetchFromGitHub
+, python3Packages
+, installShellFiles
+}:
+
+python3Packages.buildPythonApplication rec {
+  pname = "zpool-iostat-viz";
+  version = "unstable-2021-11-13";
+
+  src = fetchFromGitHub {
+    owner = "chadmiller";
+    repo = pname;
+    rev = "cdd8f3d882ab7a9990fb2d26af3e5b2bcc4bb312";
+    sha256 = "sha256-vNXD5SauBpCtP7VPTumQ0/wXfW0PjtooS21cjpAole8=";
+  };
+
+  nativeBuildInputs = [
+    installShellFiles
+    python3Packages.wrapPython
+  ];
+
+  # There is no setup.py
+  dontConfigure = true;
+  dontBuild = true;
+  doCheck = false;
+
+  installPhase = ''
+    wrapPythonPrograms
+    install -D zpool-iostat-viz $out/bin/zpool-iostat-viz
+    installManPage zpool-iostat-viz.1
+  '';
+
+  meta = with lib; {
+    description = "\"zpool iostats\" for humans; find the slow parts of your ZFS pool";
+    homepage = "https://github.com/chadmiller/zpool-iostat-viz";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ julm ];
+  };
+}