power: pmic: add SPL_DM_PMIC_PCA9450 symbol to Kconfig

Add SPL_DM_PMIC_PCA9450 symbol to Kconfig.

Signed-off-by: Igor Opaniuk <igor.opaniuk@toradex.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
1 file changed