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/misc/bmon/default.nix

@@ -0,0 +1,34 @@
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, ncurses, libconfuse
+, libnl }:
+
+stdenv.mkDerivation rec {
+  pname = "bmon";
+  version = "4.0";
+
+  src = fetchFromGitHub {
+    owner = "tgraf";
+    repo = "bmon";
+    rev = "v${version}";
+    sha256 = "1ilba872c09mnlvylslv4hqv6c9cz36l76q74rr99jvis1dg69gf";
+  };
+
+  nativeBuildInputs = [ autoreconfHook pkg-config ];
+
+  buildInputs = [ ncurses libconfuse ] ++ lib.optional stdenv.isLinux libnl;
+
+  preConfigure = ''
+    # Must be an absolute path
+    export PKG_CONFIG="$(command -v "$PKG_CONFIG")"
+  '';
+
+  meta = with lib; {
+    description = "Network bandwidth monitor";
+    homepage = "https://github.com/tgraf/bmon";
+    # Licensed unter BSD and MIT
+    #  - https://github.com/tgraf/bmon/blob/master/LICENSE.BSD
+    #  - https://github.com/tgraf/bmon/blob/master/LICENSE.MIT
+    license = licenses.bsd2;
+    platforms = platforms.unix;
+    maintainers = with maintainers; [ bjornfor pSub ];
+  };
+}