[PATCH] MFD: mp2629: select MFD_CORE to fix build error

[Randy Dunlap]

MFD_MP2629 should select MFD_CORE to a prevent build error:

ERROR: modpost: "devm_mfd_add_devices" [drivers/mfd/mp2629.ko] undefined!

Fixes: 06081646450e ("mfd: mp2629: Add support for mps battery charger")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Saravanan Sekar <sravanhome@xxxxxxxxx>
Cc: Lee Jones <lee.jones@xxxxxxxxxx>
---
 drivers/mfd/Kconfig |    1 +
 1 file changed, 1 insertion(+)

--- linux-next-20210503.orig/drivers/mfd/Kconfig
+++ linux-next-20210503/drivers/mfd/Kconfig
@@ -465,6 +465,7 @@ config MFD_MP2629
 	tristate "Monolithic Power Systems MP2629 ADC and Battery charger"
 	depends on I2C
 	select REGMAP_I2C
+	select MFD_CORE
 	help
 	  Select this option to enable support for Monolithic Power Systems
 	  battery charger. This provides ADC, thermal and battery charger power