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/fira/default.nix

@@ -0,0 +1,35 @@
+{ lib, fetchFromGitHub }:
+
+let
+  version = "4.202";
+in fetchFromGitHub {
+  name = "fira-${version}";
+
+  owner = "mozilla";
+  repo = "Fira";
+  rev = version;
+
+  postFetch = ''
+    tar xf $downloadedFile --strip=1
+    mkdir -p $out/share/fonts/opentype
+    cp otf/*.otf $out/share/fonts/opentype
+  '';
+
+  sha256 = "1iwxbp7kw5kghh5nbycb05zby7p2ib61mywva3h6giv2wd4lpxnz";
+
+  meta = with lib; {
+    homepage = "https://mozilla.github.io/Fira/";
+    description = "Sans-serif font for Firefox OS";
+    longDescription = ''
+      Fira Sans is a sans-serif font designed by Erik Spiekermann,
+      Ralph du Carrois, Anja Meiners and Botio Nikoltchev of Carrois
+      Type Design for Mozilla Firefox OS.  It is closely related to
+      Spiekermann's FF Meta typeface.  Available in Two, Four, Eight,
+      Hair, Thin, Ultra Light, Extra Light, Light, Book, Regular,
+      Medium, Semi Bold, Bold, Extra Bold, Heavy weights with
+      corresponding italic versions.
+    '';
+    license = licenses.ofl;
+    platforms = platforms.all;
+  };
+}