am f4caa722: bcmdhd: Revert bcm4329 FW to version 4.220.48.0

* commit 'f4caa722abd2e1798bcde68ceccf2286c12493b0':
  bcmdhd: Revert bcm4329 FW to version 4.220.48.0
tree: df8066e7b0ce04f3ba53e75388f508be0d68c6df
  1. bcm4329/
  2. bcmdhd/
  3. .gitignore
  4. CleanSpec.mk