hwc: Open sysfs node when thread is initialized.

Earlier, the sysfs node was created in the driver for the
first time in dsi_video_on. This has now been moved to probe
so this node can be opened to the start of the thread.

Bug: 7305728
Change-Id: I01230e4fdc2bddd160ce0d84e153f1f8c179b8df
Signed-off-by: Iliyan Malchev <malchev@google.com>
1 file changed