global: Migrate CONFIG_POWER_LTC3676_I2C_ADDR to CFG

Perform a simple rename of CONFIG_POWER_LTC3676_I2C_ADDR to CFG_POWER_LTC3676_I2C_ADDR

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/power/pmic/pmic_ltc3676.c b/drivers/power/pmic/pmic_ltc3676.c
index 00c3e20..af94f37 100644
--- a/drivers/power/pmic/pmic_ltc3676.c
+++ b/drivers/power/pmic/pmic_ltc3676.c
@@ -23,7 +23,7 @@
 	p->name = name;
 	p->interface = PMIC_I2C;
 	p->number_of_regs = LTC3676_NUM_OF_REGS;
-	p->hw.i2c.addr = CONFIG_POWER_LTC3676_I2C_ADDR;
+	p->hw.i2c.addr = CFG_POWER_LTC3676_I2C_ADDR;
 	p->hw.i2c.tx_num = 1;
 	p->bus = bus;