msm: mdss: dp: fix hdcp 1.x interrupt and aux issues

Do not reset interrupt in Display Port driver as HDCP
module also uses same register for interrupts. Use proper
parameters for AUX APIs to avoid communication failures.

CRs-Fixed: 1050304
Change-Id: Ib7b046ca5a0071e571758fd656c86a3fd3be51af
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>
Signed-off-by: Tatenda Chipeperekwa <tatendac@codeaurora.org>