iio:adc:viperboard_adc move to info_mask_(shared_by_type/separate)

The original info_mask is going away in favour of the broken out versions.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
cc: Lars Poeschel <poeschel@lemonage.de>
diff --git a/drivers/iio/adc/viperboard_adc.c b/drivers/iio/adc/viperboard_adc.c
index ad02615..56ac481 100644
--- a/drivers/iio/adc/viperboard_adc.c
+++ b/drivers/iio/adc/viperboard_adc.c
@@ -41,7 +41,7 @@
 	.type = IIO_VOLTAGE,				\
 	.indexed = 1,					\
 	.channel = _index,				\
-	.info_mask = IIO_CHAN_INFO_RAW_SEPARATE_BIT,	\
+	.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),	\
 	.scan_index = _index,				\
 	.scan_type = {					\
 		.sign = 'u',				\