iio:cros_ec_sensors: Fix a typo in a fixup of a missing select in Kconfig.

Would have merged this into the original patch as a fixup but I've already
pushed that out as an immutable branch for others to use so it'll have
to be a separate patch.

Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Cc: Lee Jones <lee.jones@linaro.org>
Cc: Enric Balletbo i Serra <enric.balletbo@collabora.com>
diff --git a/drivers/iio/common/cros_ec_sensors/Kconfig b/drivers/iio/common/cros_ec_sensors/Kconfig
index 3349c9d..40291bd 100644
--- a/drivers/iio/common/cros_ec_sensors/Kconfig
+++ b/drivers/iio/common/cros_ec_sensors/Kconfig
@@ -15,7 +15,7 @@
 config IIO_CROS_EC_SENSORS
 	tristate "ChromeOS EC Contiguous Sensors"
 	select IIO_CROS_EC_SENSORS_CORE
-	select MFD_CROSS_EC
+	select MFD_CROS_EC
 	help
 	  Module to handle 3d contiguous sensors like
 	  Accelerometers, Gyroscope and Magnetometer that are