iio: adc: ti-ads124s08: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig

iio: adc: ti-ads124s08: add missing select IIO_(TRIGGERED_)BUFFER in Kconfig

commit eb143d05def52bc6d193e813018e5fa1a0e47c77 upstream.

This driver makes use of triggered buffers, but does not select the
required modules.

Add the missing 'select IIO_BUFFER' and 'select IIO_TRIGGERED_BUFFER'.

Fixes: e717f8c6dfec ("iio: adc: Add the TI ads124s08 ADC code")
Signed-off-by: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20241003-iio-select-v1-3-67c0385197cd@gmail.com
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>