[PATCH] mfd: simple-mfd-i2c: Select MFD_CORE to fix build error

[Robert Marko]

MFD_SIMPLE_MFD_I2C should select the MFD_CORE to a prevent build error:

aarch64-linux-ld: drivers/mfd/simple-mfd-i2c.o: in function `simple_mfd_i2c_probe':
drivers/mfd/simple-mfd-i2c.c:55: undefined reference to `devm_mfd_add_devices'

Fixes: 3abee4579484 ("mfd: Add simple regmap based I2C driver")
Signed-off-by: Robert Marko <robert.marko@xxxxxxxxxx>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 61992edf6a4d..2de69892b631 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1204,6 +1204,7 @@ config MFD_SI476X_CORE
 config MFD_SIMPLE_MFD_I2C
 	tristate
 	depends on I2C
+	select MFD_CORE
 	select REGMAP_I2C
 	help
 	  This driver creates a single register map with the intention for it
-- 
2.33.1