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/development/libraries/tezos-rust-libs/default.nix

@@ -0,0 +1,37 @@
+{ lib, fetchFromGitLab, rustPlatform }:
+
+rustPlatform.buildRustPackage rec {
+  pname = "tezos-rust-libs";
+  version = "1.0";
+
+  src = fetchFromGitLab {
+    owner = "tezos";
+    repo = "tezos-rust-libs";
+    rev = "v${version}";
+    sha256 = "1ffkzbvb0ls4wk9205g3xh2c26cmwnl68x43gh6dm9z4xsic94v5";
+  };
+
+  cargoSha256 = "0dgyqfr3dvvdwdi1wvpd7v9j21740jy4zwrwiwknw7csb4bq9wfx";
+
+  preBuild = ''
+    mkdir .cargo
+    mv cargo-config .cargo/config
+  '';
+
+  postInstall = ''
+    cp -r rustc-bls12-381/include $out/include
+    cp -r librustzcash/include $out
+    cp -r $out/lib $out/tmp
+    mkdir $out/lib/tezos-rust-libs
+    mv $out/tmp/ $out/lib/tezos-rust-libs/
+  '';
+
+  doCheck = true;
+
+  meta = {
+    homepage = "https://gitlab.com/tezos/tezos-rust-libs";
+    description = "Tezos: all rust dependencies and their dependencies";
+    license = lib.licenses.mit;
+    maintainers = [ lib.maintainers.ulrikstrid ];
+  };
+}