msm: mdss: hdmi: HDCP 2.2 changes to work with Trustzone driver

Make HDCP 2.2 work with Trustzone QSEECOM driver that handles interaction
with the HDCP secure app that actually runs HDCP authentication protocol.

The current HDCP 2.2 driver is designed to run with a Trustzone module in
userspace that uses sysfs nodes to communicate with this driver. With
Trustzone QSEECOM driver now available to communicate with HDCP secure app
in TZ, make use of its features to communicate with the secure app.

Change-Id: Ifd66785e40c28fd161b82477ebef2b5829005875
Signed-off-by: Alhad Purnapatre <alhadp@codeaurora.org>