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/dosemu-fonts/default.nix

@@ -0,0 +1,35 @@
+{ stdenv, fetchurl, bdftopcf, mkfontdir, mkfontscale }:
+
+stdenv.mkDerivation rec {
+  pname = "dosemu-fonts";
+  version = "1.4.0";
+
+  src = fetchurl {
+    url = "mirror://sourceforge/dosemu/dosemu-${version}.tgz";
+    sha256 = "0l1zwmw42mpakjrzmbygshcg2qzq9mv8lx42738rz3j9hrqzg4pw";
+  };
+
+  buildCommand = ''
+    tar xf "$src" --anchored --wildcards '*/etc/*.bdf' '*/etc/dosemu.alias'
+    fontPath="$out/share/fonts/X11/misc/dosemu"
+    mkdir -p "$fontPath"
+    for i in */etc/*.bdf; do
+      fontOut="$out/share/fonts/X11/misc/dosemu/$(basename "$i" .bdf).pcf.gz"
+      echo -n "Installing font $fontOut..." >&2
+      ${bdftopcf}/bin/bdftopcf $i | gzip -c -9 -n > "$fontOut"
+      echo " done." >&2
+    done
+    cp */etc/dosemu.alias "$fontPath/fonts.alias"
+    cd "$fontPath"
+    ${mkfontdir}/bin/mkfontdir
+    ${mkfontscale}/bin/mkfontscale
+  '';
+
+  outputHashAlgo = "sha256";
+  outputHashMode = "recursive";
+  outputHash = "1miqv0ral5vazx721wildjlzvji5r7pbgm39c0cpj5ywafaikxr8";
+
+  meta = {
+    description = "Various fonts from the DOSEmu project";
+  };
+}