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/mceinject/default.nix

@@ -0,0 +1,38 @@
+{ lib, stdenv, fetchFromGitHub, bison, flex }:
+
+stdenv.mkDerivation rec {
+  pname = "mceinject";
+  version = "unstable-2013-01-19";
+
+  src = fetchFromGitHub {
+    owner  = "andikleen";
+    repo   = "mce-inject";
+    rev    = "4cbe46321b4a81365ff3aafafe63967264dbfec5";
+    sha256 = "0gjapg2hrlxp8ssrnhvc19i3r1xpcnql7xv0zjgbv09zyha08g6z";
+  };
+
+  nativeBuildInputs = [ flex bison ];
+
+  NIX_CFLAGS_COMPILE = "-Os -g -Wall";
+
+  NIX_LDFLAGS = [ "-lpthread" ];
+
+  makeFlags = [ "prefix=" ];
+
+  enableParallelBuilding = true;
+
+  installFlags = [ "destdir=$(out)" "manprefix=/share" ];
+
+  meta = with lib; {
+    description = "A tool to inject machine checks into x86 kernel for testing";
+    longDescription = ''
+      mce-inject allows to inject machine check errors on the software level
+      into a running Linux kernel. This is intended for validation of the
+      kernel machine check handler.
+    '';
+    homepage = "https://github.com/andikleen/mce-inject/";
+    license = licenses.gpl2;
+    maintainers = with maintainers; [ arkivm ];
+    platforms = platforms.linux;
+  };
+}