Add local setup-makefiles script, overriding common

* We no longer compile a akm8693 dummy library
* DASH commit: 7da2938f058957610972ea813a2f27a237e51c3d
  (Change-Id: If6b87696229edc6ae297f20e8003cc6207f18a55)

Change-Id: I5757e43dfd3e887639a0d6e05f9c3df6a9aaae7c
export BOARD_VENDOR_PLATFORM for setup-makefiles

Change-Id: I559fb28785300fe1fa80ee98fa38bbede1a05197