Generate rules.mk for libc via cargo_embargo

Update cargo_embargo.json to also generate Trusty rules.mk for use
in the Trusty kernel. patches/rules.mk.diff also updated to obtain
the desired makefile rules.

Test: cargo_embargo generate cargo_embargo.json
Change-Id: I8516b3d7edfe9e89d416c8a26168a951f4b7e424
3 files changed
tree: ea084ea26a7bf856098a24f202a3c0e7124d06b4
  1. crates/
  2. pseudo_crate/
  3. .gitignore
  4. METADATA
  5. OWNERS
  6. PREUPLOAD.cfg