drm/msm: handle link failure in hdcp

In case sink issues a link failure or re-authentication request,
tear down the session and re-authenticate to avoid going into
dormant state.

CRs-Fixed: 2292768
Change-Id: I2400188d55ddebcf4dc628412d5832290cfb82c8
Signed-off-by: Ajay Singh Parmar <aparmar@codeaurora.org>