power: bq27xxx_battery: fix platform probe

Add missing initialization of register mapping table to
platform probe function.

Signed-off-by: Sebastian Reichel <sre@kernel.org>
Acked-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Andrew F. Davis <afd@ti.com>
diff --git a/drivers/power/bq27xxx_battery.c b/drivers/power/bq27xxx_battery.c
index 994c78d..69e6b37 100644
--- a/drivers/power/bq27xxx_battery.c
+++ b/drivers/power/bq27xxx_battery.c
@@ -1292,6 +1292,7 @@
 
 	di->dev = &pdev->dev;
 	di->chip = pdata->chip;
+	di->regs = bq27xxx_regs[di->chip];
 
 	name = pdata->name ?: dev_name(&pdev->dev);
 	di->bus.read = &bq27xxx_battery_platform_read;