Enable the CONFIG_DM_PMIC and CONFIG_DM_PMIC_MAX8998.
s5pc210_universal board is using max8998 pmic.
To use the i2c/pmic driver model, enable these configurations.
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>