Revert "hlte: update bluetooth driver."

This reverts commit 8d68112bda2c074b9166bcb478a96c5878ead3a9.
update defconfig
hlte: cypress-touchkey - add keydisabler

Change-Id: Icf1cdf74a20f907f5db7d76db43da0c41612aa7f
hlte: update bluetooth driver.

  Fixes issues with BT devices causing reboots.
  JIRA CYAN-4725

Change-Id: Ie682d4b77e9618d57b62761da927a19f53768860
Revert "hlte: Fix sensors for real this time."

This reverts commit 7a5c334bd5f399dcfdb23b8266bea6c50db1d4b5.
Revert "fs: exFAT: Update to v1.2.9"

This reverts commit d5a9cf77427578018fb1554ccee92e7a5fc8c130.