iio: light: bu27008: add missing select IIO_(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: 41ff93d ("iio: light: ROHM BU27008 color sensor")
Signed-off-by: Javier Carrasco <[email protected]>
Acked-by: Matti Vaittinen <[email protected]>
Link: https://patch.msgid.link/[email protected]
Cc: <[email protected]>
Signed-off-by: Jonathan Cameron <[email protected]>

Author: javiercarrascocruz

drivers/iio/light/Kconfig

@@ -335,6 +335,8 @@ config ROHM_BU27008
 	depends on I2C
 	select REGMAP_I2C
 	select IIO_GTS_HELPER
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Enable support for the ROHM BU27008 color sensor.
 	  The ROHM BU27008 is a sensor with 5 photodiodes (red, green,