Revert "board-mako: remove obsolete intellidemand 4.x code"

This reverts commit f2d82398c108e0b1a564cf29aed0bdd4d54dbd72.
Revert "intellidemand: minor clean up and tailor for APQ8064 devices"

This reverts commit 0295830bac6711c791720ee10456b20c2a029aa5.
Revert "intellidemand: sync with Hammerhead Intellidemand 5.0"

This reverts commit 53fc1644118ed6f659f4680f00434ec9d23cbff0.