iio: resolver: ad2s1210: add missing select (TRIGGERED_)BUFFER in Kconfig

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: 128b938 ("staging: iio: resolver: ad2s1210: add triggered buffer support")
Signed-off-by: Javier Carrasco <[email protected]>
Reviewed-by: David Lechner <[email protected]>
Link: https://patch.msgid.link/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: javiercarrascocruz

drivers/iio/resolver/Kconfig

@@ -32,6 +32,8 @@ config AD2S1210
 	depends on COMMON_CLK
 	depends on GPIOLIB || COMPILE_TEST
 	select REGMAP
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
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