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/networking/oha/default.nix

@@ -0,0 +1,30 @@
+{ fetchFromGitHub, lib, pkg-config, rustPlatform, stdenv, openssl, Security }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "oha";
+  version = "0.5.0";
+
+  src = fetchFromGitHub {
+    owner = "hatoo";
+    repo = pname;
+    rev = "v${version}";
+    sha256 = "sha256-wCoBlbi4/EiTAA1xiZ/taVrokE0ECf8STAlA1sk/pm0=";
+  };
+
+  cargoSha256 = "sha256-tcORdyxGViUhKbtxVJaZ1G3uUpyr1pRLu5j8v52lMg8=";
+
+  nativeBuildInputs = lib.optional stdenv.isLinux pkg-config;
+
+  buildInputs = lib.optional stdenv.isLinux openssl
+    ++ lib.optional stdenv.isDarwin Security;
+
+  # tests don't work inside the sandbox
+  doCheck = false;
+
+  meta = with lib; {
+    description = "HTTP load generator inspired by rakyll/hey with tui animation";
+    homepage = "https://github.com/hatoo/oha";
+    license = licenses.mit;
+    maintainers = with maintainers; [ figsoda ];
+  };
+}