iio: temperature: add Kconfig selects for triggered buffer

Select IIO_BUFFER and IIO_TRIGGERED_BUFFER to compile maxim_thermocouple.

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
1 file changed