Generate rules.mk for cfg-if via cargo_embargo

Update cargo_embargo.json to also generate Trusty rules.mk for use
in the Trusty kernel.

Test: cargo_embargo generate cargo_embargo.json
Change-Id: I6ae24c3650c968fd3242e8390812e80107d02a3b
2 files changed
tree: ebc0d9b4542266f2547fa56e6213f128707a07b9
  1. crates/
  2. pseudo_crate/
  3. .gitignore
  4. METADATA
  5. OWNERS
  6. PREUPLOAD.cfg