msm_fb: HDMI-CEC: Line latch patch

The CEC hardware latches upon reading a corrupt bit
in bit 7 of any bytes due various timing issues. If
the driver detects this latch up then we call CEC reset
to release the lacthed up line.

Change-Id: Ia5a2e09372129a4358a46a623e6880095da4f0b4
CRs-Fixed: 329507
Signed-off-by: Manoj Rao <manojraj@codeaurora.org>