msm: camera: Add support for camera PMIC based flash led

Add support for PMIC based Flash LED for camera.
This driver change includes handling different Packet/Cmd_buf
operations, Dual and Single Flash/Torch LED operations,
interactions with LED framework, interactions with CRM module.

CRs-Fixed: 2056624
Change-Id: I146065ebab51dc3e1813d6e740438fe99d05a0b8
Signed-off-by: Jigarkumar Zala <jzala@codeaurora.org>
12 files changed