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/games/steam/runtime.nix

@@ -0,0 +1,37 @@
+{ lib, stdenv, fetchurl
+
+# for update script
+, writeShellScript, curl, nix-update
+}:
+
+stdenv.mkDerivation rec {
+
+  pname = "steam-runtime";
+  # from https://repo.steampowered.com/steamrt-images-scout/snapshots/latest-steam-client-general-availability/VERSION.txt
+  version = "0.20211102.0";
+
+  src = fetchurl {
+    url = "https://repo.steampowered.com/steamrt-images-scout/snapshots/${version}/steam-runtime.tar.xz";
+    sha256 = "sha256-/ve4oVxKQ4uTaTiTg8Qc0Kyb4GRJKGZ5SQVLIyeJSpI=";
+    name = "scout-runtime-${version}.tar.gz";
+  };
+
+  buildCommand = ''
+    mkdir -p $out
+    tar -C $out --strip=1 -x -f $src
+  '';
+
+  passthru = {
+    updateScript = writeShellScript "update.sh" ''
+      version=$(${curl}/bin/curl https://repo.steampowered.com/steamrt-images-scout/snapshots/latest-steam-client-general-availability/VERSION.txt)
+      ${nix-update}/bin/nix-update --version "$version" steamPackages.steam-runtime
+    '';
+  };
+
+  meta = with lib; {
+    description = "The official runtime used by Steam";
+    homepage = "https://github.com/ValveSoftware/steam-runtime";
+    license = licenses.unfreeRedistributable; # Includes NVIDIA CG toolkit
+    maintainers = with maintainers; [ hrdinka abbradar ];
+  };
+}