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/os-specific/linux/nmon/default.nix

@@ -0,0 +1,33 @@
+{ fetchurl, lib, stdenv, ncurses }:
+
+stdenv.mkDerivation rec {
+  pname = "nmon";
+  version = "16n";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/nmon/lmon${version}.c";
+    sha256 = "1wpm2f30414b87kpbr9hbidblr5cmfby5skwqd0fkpi5v712q0f0";
+  };
+
+  buildInputs = [ ncurses ];
+  dontUnpack = true;
+  buildPhase = "${stdenv.cc.targetPrefix}cc -o nmon ${src} -g -O2 -D JFS -D GETUSER -Wall -D LARGEMEM -lncurses -lm -g -D ${
+    with stdenv.targetPlatform;
+    if isx86_32 || isx86_64 then "X86"
+    else if isAarch32 || isAarch64 then "ARM"
+    else if isPower then "POWER"
+    else "UNKNOWN"
+  }";
+  installPhase = ''
+    mkdir -p $out/bin
+    cp nmon $out/bin
+  '';
+
+  meta = with lib; {
+    description = "AIX & Linux Performance Monitoring tool";
+    homepage = "http://nmon.sourceforge.net";
+    license = licenses.gpl3Plus;
+    platforms = platforms.linux;
+    maintainers = with maintainers; [ sveitser ];
+  };
+}