tegra: hdmi: Update hdmi_disable_l process

tegra: hdmi: Update hdmi_disable_l process

Update fb_monspecs and ext_process_hotplug on every hdmi_disable
This is required since hdmi_disable can also be called when
transitioning from hdmi disconnected to disable, for
example, when hdmi gets disconnected during LP0

Bug 200012022

Change-Id: Iec26358a20fc0a720a31362d9e2ae489831ab9c4
Signed-off-by: Anshuman Nath Kar <anshumank@nvidia.com>
(cherry picked from commit ed4cf08420092ccf22a903b15328539d04c23373)
Reviewed-on: http://git-master/r/423491
Reviewed-by: Automatic_Commit_Validation_User
Tested-by: Nitish Rajguru <nrajguru@nvidia.com>
Reviewed-by: Mitch Luban <mluban@nvidia.com>
GVS: Gerrit_Virtual_Submit
Reviewed-by: Jon Mayo <jmayo@nvidia.com>