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/flvstreamer/default.nix

@@ -0,0 +1,39 @@
+{ lib, stdenv, fetchurl }:
+
+stdenv.mkDerivation rec {
+  pname = "flvstreamer";
+  version = "2.1c1";
+
+  src = fetchurl {
+    url = "mirror://savannah/flvstreamer/source/flvstreamer-${version}.tar.gz";
+    sha256 = "e90e24e13a48c57b1be01e41c9a7ec41f59953cdb862b50cf3e667429394d1ee";
+  };
+
+  buildPhase = ''
+    make CC=${stdenv.cc.targetPrefix}cc posix
+  '';
+
+  installPhase = ''
+    mkdir -p $out/bin
+    cp flvstreamer $out/bin
+    cp streams $out/bin
+    cp rtmpsrv $out/bin
+    cp rtmpsuck $out/bin
+  '';
+
+  meta = {
+    description = "Command-line RTMP client";
+
+    longDescription =
+      '' flvstreamer is an open source command-line RTMP client intended to
+         stream audio or video content from all types of flash or rtmp servers.
+      '';
+
+    license = lib.licenses.gpl2Plus;
+
+    homepage = "https://savannah.nongnu.org/projects/flvstreamer";
+
+    maintainers = [ lib.maintainers.thammers ];
+    platforms = with lib.platforms; linux ++ darwin;
+  };
+}