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/code-server/remove-cloud-agent-download.patch

@@ -0,0 +1,17 @@
+--- ./ci/build/npm-postinstall.sh
++++ ./ci/build/npm-postinstall.sh
+@@ -58,14 +58,6 @@
+
+   OS="$(uname | tr '[:upper:]' '[:lower:]')"
+
+-  mkdir -p ./lib
+-
+-  if curl -fsSL "https://github.com/cdr/cloud-agent/releases/latest/download/cloud-agent-$OS-$ARCH" -o ./lib/coder-cloud-agent; then
+-    chmod +x ./lib/coder-cloud-agent
+-  else
+-    echo "Failed to download cloud agent; --link will not work"
+-  fi
+-
+   if ! vscode_yarn; then
+     echo "You may not have the required dependencies to build the native modules."
+     echo "Please see https://github.com/cdr/code-server/blob/master/docs/npm.md"