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/gubbi/default.nix

@@ -0,0 +1,29 @@
+{ lib, stdenv, fetchFromGitHub, fontforge }:
+
+stdenv.mkDerivation rec {
+  pname = "gubbi-font";
+  version = "1.3";
+
+  src = fetchFromGitHub {
+    owner = "aravindavk";
+    repo = "gubbi";
+    rev = "v${version}";
+    sha256 = "10w9i3pmjvs1b3xclrgn4q5a95ss4ipldbxbqrys2dmfivx7i994";
+  };
+
+  nativeBuildInputs = [ fontforge ];
+
+  dontConfigure = true;
+
+  preBuild = "patchShebangs generate.pe";
+
+  installPhase = "install -Dm444 -t $out/share/fonts/truetype/ Gubbi.ttf";
+
+  meta = with lib; {
+    inherit (src.meta) homepage;
+    description = "A Kannada font";
+    license = licenses.gpl3Plus;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ ehmry ];
+  };
+}