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/edusong/default.nix

@@ -0,0 +1,32 @@
+{ stdenvNoCC, lib, fetchzip }:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "edusong";
+  version = "1.0"; # The upstream doesn't provide the version
+
+  src = fetchzip {
+    name = "${pname}-${version}";
+    url =
+      "http://language.moe.gov.tw/001/Upload/Files/site_content/M0001/eduSong_Unicode.zip";
+    sha256 = "1b74wj9hdzlnrvldwlkh21sfhqxwh9qghf1k0fv66zs6n48vb0d4";
+  };
+
+  installPhase = ''
+    mkdir -p $out/share/fonts/
+    mv *.ttf $out/share/fonts/
+  '';
+
+  meta = {
+    description =
+      "The MOE Standard Song Font, a Chinese font by the Ministry of Education, ROC (Taiwan)";
+    longDescription = ''
+      The MOE Standard Song Font is a Chinese Song font provided by
+      the Midistry of Education, Republic of China (Taiwan).
+      Song or Ming is a category of CKJ typefaces in print.
+    '';
+    homepage =
+      "http://language.moe.gov.tw/result.aspx?classify_sn=23&subclassify_sn=436&content_sn=48";
+    license = lib.licenses.cc-by-nd-30;
+    maintainers = with lib.maintainers; [ ShamrockLee ];
+  };
+}