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/myrica/default.nix

@@ -0,0 +1,24 @@
+{ lib, fetchFromGitHub }:
+
+fetchFromGitHub {
+  name = "myrica-2.011.20160403";
+
+  owner = "tomokuni";
+  repo = "Myrica";
+  # commit does not exist on any branch on the target repository
+  rev = "b737107723bfddd917210f979ccc32ab3eb6dc20";
+  sha256 = "187rklcibbkai6m08173ca99qn8v7xpdfdv0izpymmavj85axm12";
+
+  postFetch = ''
+    tar --strip-components=1 -xzvf $downloadedFile
+    mkdir -p $out/share/fonts/truetype
+    cp product/*.TTC $out/share/fonts/truetype
+  '';
+
+  meta = with lib; {
+    homepage = "https://myrica.estable.jp/";
+    license = licenses.ofl;
+    maintainers = with maintainers; [ mikoim ];
+    platforms = platforms.all;
+  };
+}