Includes :
    1. linux-3.10.49 merge
    2. Revert arm: usb: cdc: Modifed USB buffer logic for autopm issue
       (6510858f)
    3. Revert arm: usb: cdc: Fix cdc-acm auto pm issues(2a457b42)

Bug 200023519

Change-Id: Id54870079cd19b4e5ca4fcf05fd4c15356157229
Signed-off-by: Ishan Mittal <imittal@nvidia.com>