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/lnav/default.nix

@@ -0,0 +1,56 @@
+{ lib, stdenv, fetchFromGitHub, pcre-cpp, sqlite, ncurses
+, readline, zlib, bzip2, autoconf, automake, curl }:
+
+stdenv.mkDerivation rec {
+  pname = "lnav";
+  version = "0.10.1";
+
+  src = fetchFromGitHub {
+    owner = "tstack";
+    repo = "lnav";
+    rev = "v${version}";
+    sha256 = "sha256-1b4mVKIUotMSK/ADHnpiM42G98JF0abL8sXXGFyS3sw=";
+  };
+
+  patches = [ ./0001-Forcefully-disable-docs-build.patch ];
+  postPatch = ''
+    substituteInPlace Makefile.am \
+      --replace "SUBDIRS = src test" "SUBDIRS = src"
+  '';
+
+  enableParallelBuilding = true;
+
+  nativeBuildInputs = [ autoconf automake ];
+  buildInputs = [
+    zlib
+    bzip2
+    ncurses
+    pcre-cpp
+    readline
+    sqlite
+    curl
+  ];
+
+  preConfigure = ''
+    ./autogen.sh
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/tstack/lnav";
+    description = "The Logfile Navigator";
+    longDescription = ''
+      The log file navigator, lnav, is an enhanced log file viewer that takes
+      advantage of any semantic information that can be gleaned from the files
+      being viewed, such as timestamps and log levels. Using this extra
+      semantic information, lnav can do things like interleaving messages from
+      different files, generate histograms of messages over time, and providing
+      hotkeys for navigating through the file. It is hoped that these features
+      will allow the user to quickly and efficiently zero in on problems.
+    '';
+    downloadPage = "https://github.com/tstack/lnav/releases";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ dochang ma27 ];
+    platforms = platforms.unix;
+  };
+
+}