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/qodem/default.nix

@@ -0,0 +1,30 @@
+{ lib, stdenv, fetchFromGitHub, autoconf, automake, ncurses, SDL, gpm, miniupnpc }:
+
+stdenv.mkDerivation rec {
+  pname = "qodem";
+  version = "1.0.1";
+
+  src = fetchFromGitHub {
+    owner = "klamonte";
+    repo = "qodem";
+    rev = "v${version}";
+    sha256 = "NAdcTVmNrDa3rbsbxJxFoI7sz5NK5Uw+TbP+a1CdB+Q=";
+  };
+
+  nativeBuildInputs = [ autoconf automake ];
+  buildInputs = [ ncurses SDL gpm miniupnpc ];
+
+  meta = with lib; {
+    homepage = "http://qodem.sourceforge.net/";
+    description = "Re-implementation of the DOS-era Qmodem serial communications package";
+    longDescription = ''
+      Qodem is a from-scratch clone implementation of the Qmodem
+      communications program made popular in the days when Bulletin Board
+      Systems ruled the night. Qodem emulates the dialing directory and the
+      terminal screen features of Qmodem over both modem and Internet
+      connections.
+    '';
+    maintainers = with maintainers; [ embr ];
+    license = licenses.publicDomain;
+  };
+}