Revert "Added Backlight Dimmer (BLD) version 3."

This reverts commit 0aa219229725d0f6d410c182b9f1843e0ae65fc2.

Change-Id: Iba6ebd10fd49c3b1b84a8873374400915801f2ce
crespo: Remove BLD config

Change-Id: I0603c2831c104d5ecc3620c72b658348cbff3448
crespo: Add interface to enable and disable the touchkey led

Change-Id: If608f64415db5136918a8490f87a4e61f78f9fe1
Merge "Revert "Added Backlight Dimmer (BLD) version 3."" into cm-10.2
Merge changes If608f644,I0603c283 into cm-10.2

* changes:
  crespo: Add interface to enable and disable the touchkey led
  crespo: Remove BLD config