power: axp: merge separate DLDO functions into 1

Instead of one function for each DLDO regulator, make 1 function that
takes an extra "index". Since the control bits for the DLDO regulators
are contiguous, this makes the function very simple. This removes a lot
of duplicate code.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Acked-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index 1cc39e4..958f5c5 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -466,10 +466,10 @@
 #endif
 
 #ifdef CONFIG_AXP221_POWER
-	power_failed |= axp_set_dldo1(CONFIG_AXP_DLDO1_VOLT);
-	power_failed |= axp_set_dldo2(CONFIG_AXP_DLDO2_VOLT);
-	power_failed |= axp_set_dldo3(CONFIG_AXP_DLDO3_VOLT);
-	power_failed |= axp_set_dldo4(CONFIG_AXP_DLDO4_VOLT);
+	power_failed |= axp_set_dldo(1, CONFIG_AXP_DLDO1_VOLT);
+	power_failed |= axp_set_dldo(2, CONFIG_AXP_DLDO2_VOLT);
+	power_failed |= axp_set_dldo(3, CONFIG_AXP_DLDO3_VOLT);
+	power_failed |= axp_set_dldo(4, CONFIG_AXP_DLDO4_VOLT);
 	power_failed |= axp_set_eldo(1, CONFIG_AXP_ELDO1_VOLT);
 	power_failed |= axp_set_eldo(2, CONFIG_AXP_ELDO2_VOLT);
 	power_failed |= axp_set_eldo(3, CONFIG_AXP_ELDO3_VOLT);