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/servers/matrix-synapse/matrix-appservice-slack/generate-dependencies.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env nix-shell
+#! nix-shell -i bash -p nodePackages.node2nix
+
+# Download package.json and package-lock.json from the v1.11.0 release
+curl https://raw.githubusercontent.com/matrix-org/matrix-appservice-slack/1.11.0/package.json -o package.json
+curl https://raw.githubusercontent.com/matrix-org/matrix-appservice-slack/1.11.0/package-lock.json -o package-lock.json
+
+node2nix \
+  --nodejs-12 \
+  --node-env ../../../development/node-packages/node-env.nix \
+  --development \
+  --input package.json \
+  --lock package-lock.json \
+  --output node-packages.nix \
+  --composition node-composition.nix \
+
+rm -f package.json package-lock.json