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/siji/default.nix

@@ -0,0 +1,44 @@
+{ lib, stdenv, fetchFromGitHub, libfaketime, fonttosfnt, mkfontscale }:
+
+stdenv.mkDerivation rec {
+  name = "siji-${version}";
+  version = "2016-05-13";
+
+  src = fetchFromGitHub {
+    owner = "stark";
+    repo = "siji";
+    rev = "3cbb7fe938c33aaadbb657803ea5946e5157d6e2";
+    sha256 = "1408g4nxwdd682vjqpmgv0cp0bfnzzzwls62cjs9zrds16xa9dpf";
+  };
+
+  nativeBuildInputs = [ libfaketime fonttosfnt mkfontscale ];
+
+  buildPhase = ''
+    # compress pcf fonts
+    gzip -n -9 pcf/*
+
+    # convert bdf fonts to otb
+    for i in bdf/*; do
+        name=$(basename $i .bdf)
+        faketime -f "1970-01-01 00:00:01" \
+        fonttosfnt -v -o "$name.otb" "$i"
+    done
+  '';
+
+  postInstall = ''
+    install -m 644 -D *.otb pcf/* -t "$out/share/fonts/misc"
+    install -m 644 -D bdf/* -t "$bdf/share/fonts/misc"
+    mkfontdir "$out/share/fonts/misc"
+    mkfontdir "$bdf/share/fonts/misc"
+  '';
+
+  outputs = [ "out" "bdf" ];
+
+  meta = with lib; {
+    homepage = "https://github.com/stark/siji";
+    description = "An iconic bitmap font based on Stlarch with additional glyphs";
+    license = licenses.gpl2;
+    platforms = platforms.all;
+    maintainers = [ maintainers.asymmetric ];
+  };
+}