arm64: defconfig: add pca9450 pmic driver

Add pca9450 pmic driver.

Signed-off-by: Robin Gong <[email protected]>
Signed-off-by: Shawn Guo <[email protected]>

Author: Robin Gong

arch/arm64/configs/defconfig

@@ -556,6 +556,7 @@ CONFIG_REGULATOR_HI6421V530=y
 CONFIG_REGULATOR_HI655X=y
 CONFIG_REGULATOR_MAX77620=y
 CONFIG_REGULATOR_MAX8973=y
+CONFIG_REGULATOR_PCA9450=y
 CONFIG_REGULATOR_PFUZE100=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_REGULATOR_QCOM_RPMH=y