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/applications/virtualization/firecracker/default.nix

@@ -0,0 +1,56 @@
+{ fetchurl, lib, stdenv }:
+
+let
+  version = "1.0.0";
+
+  suffix = {
+    x86_64-linux = "x86_64";
+    aarch64-linux = "aarch64";
+  }."${stdenv.hostPlatform.system}" or (throw "Unsupported system: ${stdenv.hostPlatform.system}");
+
+  baseurl = "https://github.com/firecracker-microvm/firecracker/releases/download";
+
+  dlbin = sha256: fetchurl {
+    url = "${baseurl}/v${version}/firecracker-v${version}-${suffix}.tgz";
+    sha256 = sha256."${stdenv.hostPlatform.system}";
+  };
+
+in
+stdenv.mkDerivation {
+  pname = "firecracker";
+  inherit version;
+
+  sourceRoot = ".";
+  src = dlbin {
+    x86_64-linux = "sha256-yeWVsrvH3yYlS2uH/TkSleHjXvIDnHWcZSvLgV+CGF0=";
+    aarch64-linux = "sha256-9ggRmijwXE9adVFv5XommgvdpeeWnWUFES+Ep2GrBVo=";
+  };
+
+  dontConfigure = true;
+
+  buildPhase = ''
+    mv release-v${version}-${suffix}/firecracker-v${version}-${suffix} firecracker
+    mv release-v${version}-${suffix}/jailer-v${version}-${suffix} jailer
+    chmod +x firecracker jailer
+  '';
+
+  doCheck = true;
+  checkPhase = ''
+    ./firecracker --version
+    ./jailer --version
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    install -D firecracker $out/bin/firecracker
+    install -D jailer      $out/bin/jailer
+  '';
+
+  meta = with lib; {
+    description = "Secure, fast, minimal micro-container virtualization";
+    homepage = "http://firecracker-microvm.io";
+    license = licenses.asl20;
+    platforms = [ "x86_64-linux" "aarch64-linux" ];
+    maintainers = with maintainers; [ thoughtpolice endocrimes ];
+  };
+}