power: Add new PMIC PCA9450 driver

PCA9450 PMIC series is used to support iMX8MM (PCA9450A) and
iMX8MN (PCA9450B). Add the PMIC driver for both PCA9450A and PCA9450B.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
diff --git a/drivers/power/pmic/Kconfig b/drivers/power/pmic/Kconfig
index b4bf018..df9372c 100644
--- a/drivers/power/pmic/Kconfig
+++ b/drivers/power/pmic/Kconfig
@@ -77,6 +77,13 @@
 	  The driver implements read/write operations for use with the FAN53555
 	  regulator driver and binds the regulator driver to its node.
 
+config DM_PMIC_PCA9450
+	bool "Enable Driver Model for PMIC PCA9450"
+	depends on DM_PMIC
+	help
+	  This config enables implementation of driver-model pmic uclass features
+	  for PMIC PCA9450. The driver implements read/write operations.
+
 config DM_PMIC_PFUZE100
 	bool "Enable Driver Model for PMIC PFUZE100"
 	depends on DM_PMIC