mfd: da9052: Extend support to a new chip

Add the hash define for the new variant of the DA9053 PMIC called BC.
Signed-off-by: Anthony Olech <anthony.olech.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

include/linux/mfd/da9052/da9052.h

@@ -83,6 +83,7 @@ enum da9052_chip_id {
 	DA9053_AA,
 	DA9053_BA,
 	DA9053_BB,
+	DA9053_BC,
 };
 
 struct da9052_pdata;