[PATCH -next] iio: chemical: SENSEAIR_SUNRISE_CO2 depends on I2C

[Randy Dunlap]

Fix kconfig symbol dependency warning:

WARNING: unmet direct dependencies detected for REGMAP_I2C
  Depends on [n]: I2C [=n]
  Selected by [y]:
  - SENSEAIR_SUNRISE_CO2 [=y] && IIO [=y]

Fixes: c3253a3fdc77 ("iio: chemical: Add Senseair Sunrise 006-0-007 drive")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Jacopo Mondi <jacopo@xxxxxxxxxx>
Cc: Jonathan Cameron <Jonathan.Cameron@xxxxxxxxxx>
Cc: linux-iio@xxxxxxxxxxxxxxx
---
 drivers/iio/chemical/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20211001.orig/drivers/iio/chemical/Kconfig
+++ linux-next-20211001/drivers/iio/chemical/Kconfig
@@ -172,6 +172,7 @@ config SPS30_SERIAL
 
 config SENSEAIR_SUNRISE_CO2
 	tristate "Senseair Sunrise 006-0-0007 CO2 sensor"
+	depends on I2C
 	select REGMAP_I2C
 	help
 	  Say yes here to build support for Senseair Sunrise 006-0-0007 CO2