video: tegra: dc: fix HDMI VSI length

Write the correct number of bytes for the vendor specific infoframe.
Also initialize all the bits in the infoframe.

Bug 1227070.

Change-Id: I6992acfe70b1d1a456db351218c11b9b8426b7dc
Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Reviewed-on: http://git-master/r/198942
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jon Mayo <jmayo@nvidia.com>
1 file changed