msm: jpeg: Changes to adapt jpeg driver to soc layer

Adapt JPEG driver to SOC layer by replacing the msm specific
routines with SOC API which eases the portability of jpeg driver
on to non-msm platforms.

CRs-Fixed: 968483
Change-Id: I8436604e8fd0984f1cd31ce99035dd55a33e89f3
Signed-off-by: Lakshmi Narayana Kalavala <lkalaval@codeaurora.org>