sunxi: Add support for AXP305 PMIC

This PMIC can be found on H616 boards and it's very similar to AXP805
and AXP806.

Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 2dcc7bb..0bef069 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -6,6 +6,7 @@
 obj-$(CONFIG_AXP152_POWER)	+= axp152.o
 obj-$(CONFIG_AXP209_POWER)	+= axp209.o
 obj-$(CONFIG_AXP221_POWER)	+= axp221.o
+obj-$(CONFIG_AXP305_POWER)	+= axp305.o
 obj-$(CONFIG_AXP809_POWER)	+= axp809.o
 obj-$(CONFIG_AXP818_POWER)	+= axp818.o
 obj-$(CONFIG_EXYNOS_TMU)	+= exynos-tmu.o