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/steamcmd.nix

@@ -0,0 +1,46 @@
+{ lib, stdenv, fetchurl, steam-run, bash, coreutils
+, steamRoot ? "~/.local/share/Steam"
+}:
+
+stdenv.mkDerivation {
+  pname = "steamcmd";
+  version = "20180104"; # According to steamcmd_linux.tar.gz mtime
+
+  src = fetchurl {
+    url = "https://steamcdn-a.akamaihd.net/client/installer/steamcmd_linux.tar.gz";
+    sha256 = "0z0y0zqvhydmfc9y9vg5am0vz7m3gbj4l2dwlrfz936hpx301gyf";
+  };
+
+  # The source tarball does not have a single top-level directory.
+  preUnpack = ''
+    mkdir $name
+    cd $name
+    sourceRoot=.
+  '';
+
+  buildInputs = [ bash steam-run ];
+
+  dontBuild = true;
+
+  installPhase = ''
+    mkdir -p $out/share/steamcmd/linux32
+    install -Dm755 steamcmd.sh $out/share/steamcmd/steamcmd.sh
+    install -Dm755 linux32/* $out/share/steamcmd/linux32
+
+    mkdir -p $out/bin
+    substitute ${./steamcmd.sh} $out/bin/steamcmd \
+      --subst-var out \
+      --subst-var-by coreutils ${coreutils} \
+      --subst-var-by steamRoot "${steamRoot}" \
+      --subst-var-by steamRun ${steam-run}
+    chmod 0755 $out/bin/steamcmd
+  '';
+
+  meta = with lib; {
+    description = "Steam command-line tools";
+    homepage = "https://developer.valvesoftware.com/wiki/SteamCMD";
+    platforms = platforms.linux;
+    license = licenses.unfreeRedistributable;
+    maintainers = with maintainers; [ tadfisher ];
+  };
+}