d851: move wifi and bt to variant trees

Change-Id: Iac22ab6fdfb9920ba54fb8960082b526d5c46c39

Conflicts:
	device.mk
d851: decommonizing venus firmware

Change-Id: I36a4a5e9c0a0ccbb33b6130a8e284d7a86b85fd3
Revert "d851: Remove cm.dependencies"

This reverts commit 7caaad5c26d66dbce5b747f694853978700a5c6e.

Change-Id: Ib67f41a968a1244179442b6fd6257fefad9b4ba0
d851: add missing bluetooth firmware

Change-Id: I9df078b23f61f04b6b8cc463434ae5e47cc1a770
d851: bring in our variant-specific fstab

Change-Id: I0c6a9a7fcb03530ea5cba86d182b1b7319b47564
d851: de-commonize thermal-engine config

Change-Id: I52f7c82be5a8eba44e26bdc46c8ef532890b21ce