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/data/fonts/vdrsymbols/default.nix

@@ -0,0 +1,27 @@
+{ lib, fetchzip }:
+
+fetchzip {
+  name = "vdrsymbols-20100612";
+
+  url = "http://andreas.vdr-developer.org/fonts/download/vdrsymbols-ttf-20100612.tgz";
+
+  sha256 = "0wpxns8zqic98c84j18dr4zmj092v07yq07vwwgzblr0rw9n6gzr";
+
+  postFetch = ''
+    tar xvzf "$downloadedFile"
+    install -Dm444 -t "$out/share/fonts/truetype" */*.ttf
+  '';
+
+  meta = with lib; {
+    description = "DejaVu fonts with additional symbols used by VDR";
+    homepage = "http://andreas.vdr-developer.org/fonts/";
+    platforms = platforms.all;
+    maintainers = with maintainers; [ ck3d ];
+
+    # Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved.
+    # Copyright (c) 2006 by Tavmjong Bah. All Rights Reserved.
+    # DejaVu changes are in public domain
+    # See https://dejavu-fonts.github.io/License.html for details
+    license = licenses.free;
+  };
+}