power: Add support for the TPS65218 PMIC

Add a driver for the TPS65218 PMIC which is used by TI AM43xx SoCs and
may be used by TI AM335x SoCs.

Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index 9a8bfe0..a472f61 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -13,4 +13,5 @@
 obj-$(CONFIG_POWER_PFUZE100) += pmic_pfuze100.o
 obj-$(CONFIG_POWER_TPS65090) += pmic_tps65090.o
 obj-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o
+obj-$(CONFIG_POWER_TPS65218) += pmic_tps65218.o
 obj-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o