Revert "Disabled FW Roaming in broadcom bcmdhd makefile"

This reverts commit b32462c6ecc972489311b1391479be007fdade87.
Revert "Revert "Revert "WIFI DRIVER: multy commit update from Nexus 5 WIFI driver. TNX @neobuddy89"""

This reverts commit 0c5d77e97d204f623d931e17ae022de864b74091.
Revert "Revert "Revert "Disable WIFI Driver Debug. works good no need to debug."""

This reverts commit de9b1dd2fd461a05c403387880953a38318997b3.
Must be done right

(github novice)