hlte: update bluetooth driver.

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

Change-Id: Ie682d4b77e9618d57b62761da927a19f53768860
Updated defconfig
Revert "Disable -fconserve-stack on ARM v2"

This reverts commit 8babbc159bda6fc6ffa0b891c21aae3e1bd058bd.
lz4: enable unaligned access
Revert "Sound Control: add line gain to cached and register lock"

This reverts commit 895cec601aff993f0671d4cdafe1ed6083fc4495.
Build v3.98.1