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/memtier-benchmark/default.nix

@@ -0,0 +1,31 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook
+, pkg-config, libevent, pcre, zlib, openssl
+}:
+
+stdenv.mkDerivation rec {
+  pname = "memtier-benchmark";
+  version = "1.3.0";
+
+  src = fetchFromGitHub {
+    owner  = "redislabs";
+    repo   = "memtier_benchmark";
+    rev    = "refs/tags/${version}";
+    sha256 = "0m2qnnc71qpdj8w421bxn0zxz6ddvzy7b0n19jvyncnzvk1ff0sq";
+  };
+
+  patchPhase = ''
+    substituteInPlace ./configure.ac \
+      --replace '1.2.8' '${version}'
+  '';
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+  buildInputs = [ libevent pcre zlib openssl ];
+
+  meta = {
+    description = "Redis and Memcached traffic generation and benchmarking tool";
+    homepage    = "https://github.com/redislabs/memtier_benchmark";
+    license     = lib.licenses.gpl2;
+    platforms   = lib.platforms.linux;
+    maintainers = with lib.maintainers; [ thoughtpolice ];
+  };
+}