media: smiapp: Don't update sensor configuration during power-on init

The sensor configuration since it was previously powered off was not
changed, so no need to update the PLL configuration etc. What is necessary
though is to re-apply the configuration to the sensor's registers.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>