disp: msm: dsi: handle panel detection after a pp done timeout

It has been observed that TE check may fail even if status read
is passing. Panel detection should be successful only if both
TE check and register read (if supported) pass.

Change-Id: I8d2c5d4139561fe533fc148124b7dde54b63c24e
Signed-off-by: Kashish Jain <quic_kashjain@quicinc.com>