msm_serial_hs: Disable debugfs interface

Change-Id: I34407722008ba3ee2abe07e297899e734dfe99e9
defconfigs: Disable KSM

* It's incompatible with the recent CMA changes
* Some users are stupid

Change-Id: Ib8ed3a4764c574beaf19ffc41c53e20f8907c629
Revert "msm: mdp: Update sync pt. behaviour"

This reverts commit d21204235cb954f2a80da29ba4d4bd011d7d0e98.

Change-Id: I94f75910491c494366b1c9b8c014e58a8c8bfaf0