power: pca9450: add a new parameter for power_pca9450_init

Currently PCA9450 might have address 0x25 or 0x35, so let user
choose the address.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/power/pmic/pmic_pca9450.c b/drivers/power/pmic/pmic_pca9450.c
index d4f2742..8c4d0a9 100644
--- a/drivers/power/pmic/pmic_pca9450.c
+++ b/drivers/power/pmic/pmic_pca9450.c
@@ -11,7 +11,7 @@
 
 static const char pca9450_name[] = "PCA9450";
 
-int power_pca9450_init(unsigned char bus)
+int power_pca9450_init(unsigned char bus, unsigned char addr)
 {
 	struct pmic *p = pmic_alloc();
 
@@ -23,7 +23,7 @@
 	p->name = pca9450_name;
 	p->interface = PMIC_I2C;
 	p->number_of_regs = PCA9450_REG_NUM;
-	p->hw.i2c.addr = 0x25;
+	p->hw.i2c.addr = addr;
 	p->hw.i2c.tx_num = 1;
 	p->bus = bus;