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/applications/blockchains/lnd/default.nix

@@ -0,0 +1,40 @@
+{ buildGoModule
+, fetchFromGitHub
+, lib
+, tags ? [ "autopilotrpc" "signrpc" "walletrpc" "chainrpc" "invoicesrpc" "watchtowerrpc" "routerrpc" "monitoring" "kvdb_postgres" "kvdb_etcd" ]
+}:
+
+buildGoModule rec {
+  pname = "lnd";
+  version = "0.14.3-beta";
+
+  src = fetchFromGitHub {
+    owner = "lightningnetwork";
+    repo = "lnd";
+    rev = "v${version}";
+    sha256 = "sha256-ZTvGFmjhQBIWqMGatMAlX59uVyl1oUKo7L5jiz571Gc";
+  };
+
+  vendorSha256 = "sha256-shDmJcEyobY7Ih1MHMEY2GQnzAffsH/y4J1bme/bT7I=";
+
+  subPackages = [ "cmd/lncli" "cmd/lnd" ];
+
+  preBuild = let
+    buildVars = {
+      RawTags = lib.concatStringsSep "," tags;
+      GoVersion = "$(go version | egrep -o 'go[0-9]+[.][^ ]*')";
+    };
+    buildVarsFlags = lib.concatStringsSep " " (lib.mapAttrsToList (k: v: "-X github.com/lightningnetwork/lnd/build.${k}=${v}") buildVars);
+  in
+  lib.optionalString (tags != []) ''
+    buildFlagsArray+=("-tags=${lib.concatStringsSep " " tags}")
+    buildFlagsArray+=("-ldflags=${buildVarsFlags}")
+  '';
+
+  meta = with lib; {
+    description = "Lightning Network Daemon";
+    homepage = "https://github.com/lightningnetwork/lnd";
+    license = licenses.mit;
+    maintainers = with maintainers; [ cypherpunk2140 prusnak ];
+  };
+}