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/merriweather/default.nix

@@ -0,0 +1,35 @@
+{ stdenvNoCC
+, lib
+, fetchFromGitHub
+}:
+
+stdenvNoCC.mkDerivation rec {
+  pname = "merriweather";
+  version = "2.005";
+
+  src = fetchFromGitHub {
+    owner = "SorkinType";
+    repo = "Merriweather";
+    rev = "4fd88c9299009d1c1d201e7da3ff75cf1de5153a";
+    sha256 = "1ndycja2jzhcfbqbm0p6ka2zl1i1pdbkf0crw2lp3pi4k89wlm29";
+  };
+
+  # TODO: it would be nice to build this from scratch, but lots of
+  # Python dependencies to package (fontmake, gftools)
+
+  installPhase = ''
+    install -m444 -Dt $out/share/fonts/opentype/${pname} fonts/otf/*.otf
+    install -m444 -Dt $out/share/fonts/truetype/${pname} fonts/ttfs/*.ttf
+    install -m444 -Dt $out/share/fonts/woff/${pname} fonts/woff/*.woff
+    install -m444 -Dt $out/share/fonts/woff2/${pname} fonts/woff2/*.woff2
+    # TODO: install variable version?
+  '';
+
+  meta = with lib; {
+    homepage = "https://github.com/SorkinType/Merriweather";
+    description = "A text face designed to be pleasant to read on screens";
+    license = licenses.ofl;
+    platforms = platforms.all;
+    maintainers = with maintainers; [ emily ];
+  };
+}