msm: camera: cci: Handle burst read for cci hw 1.2

CCI hw 1.2 does not support burst read due to the absence of READ
THRESHOLD irq. Due to this we need to handle the cci burst read as a
sequence of reads (each read is of chunk size 0xE).

CRs-Fixed: 2585335
Change-Id: Icbc327475e6dd8838b1d665f71d62dc6efebb7d7
Signed-off-by: Tony Lijo Jose <tjose@codeaurora.org>