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/spleen/default.nix

@@ -0,0 +1,30 @@
+{ lib, fetchurl, mkfontscale }:
+
+let
+  pname = "spleen";
+  version = "1.9.1";
+in fetchurl {
+  name = "${pname}-${version}";
+  url = "https://github.com/fcambus/spleen/releases/download/${version}/spleen-${version}.tar.gz";
+
+  downloadToTemp = true;
+  recursiveHash = true;
+  postFetch = ''
+    tar xvf $downloadedFile --strip=1
+    d="$out/share/fonts/misc"
+    install -D -m 644 *.{pcf,bdf,otf} -t "$d"
+    install -D -m 644 *.psfu -t "$out/share/consolefonts"
+    install -m644 fonts.alias-spleen $d/fonts.alias
+
+    # create fonts.dir so NixOS xorg module adds to fp
+    ${mkfontscale}/bin/mkfontdir "$d"
+  '';
+  sha256 = "sha256-6Imsa0ku8On63di0DOo0QxBa0t+tbtPRxM531EIiG94=";
+
+  meta = with lib; {
+    description = "Monospaced bitmap fonts";
+    homepage = "https://www.cambus.net/spleen-monospaced-bitmap-fonts";
+    license = licenses.bsd2;
+    maintainers = with maintainers; [ dtzWill ];
+  };
+}