media: atomisp: gc0310: Switch over to ACPI powermanagement

The DSDT of all Windows BYT / CHT devices which I have seen has proper
ACPI powermagement for the clk and regulators used by the sensors.

So there is no need for the whole custom atomisp_gmin custom code to
disable the ACPI pm and directly poke at the PMIC for this.

Replace all the atomisp_gmin usage with using the new
atomisp_register_sensor_no_gmin() / atomisp_unregister_subdev()
helpers which allow registering a sensor with the atomisp code
without using any of the atomisp_gmin power-management code.

Note eventually these calls should be replaced by the standard
v4l2_async_register_subdev_sensor() mechanism.

But this first requires a bunch of work to the atomisp main code
to make it set the necessary fwnodes up, similar to how
drivers/media/pci/intel/ipu3/cio2-bridge.c does this.

Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>