power:battery: add battery support for Trats2 board

Signed-off-by: Piotr Wilczek <p.wilczek@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/drivers/power/battery/Makefile b/drivers/power/battery/Makefile
index 637d1ff..4bf315d 100644
--- a/drivers/power/battery/Makefile
+++ b/drivers/power/battery/Makefile
@@ -10,6 +10,7 @@
 LIB	:= $(obj)libbattery.o
 
 COBJS-$(CONFIG_POWER_BATTERY_TRATS) += bat_trats.o
+COBJS-$(CONFIG_POWER_BATTERY_TRATS2) += bat_trats2.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)