trace: Add snapshot of ipc_logging driver

This snapshot is taken as of msm-4.4 'commit <d2afad6a903b>
("Merge "ext4 crypto: enable HW based encryption with ICE"")'.

In addition fix the coding style issues, replace BUG_ON with WARN_ON.

CRs-Fixed: 1079350
Change-Id: I16d5f433502263156bcbe11bffd8450a1ceaafb1
Signed-off-by: Karthikeyan Ramasubramanian <kramasub@codeaurora.org>
6 files changed