mfd: axp20x: Extend axp22x_volatile_ranges

The axp22x pmic has a bunch of volatile registers besides the interrupt
ones, extend axp22x_volatile_ranges with these.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/axp20x.c

@@ -93,7 +93,10 @@ static const struct regmap_range axp22x_writeable_ranges[] = {
 };
 
 static const struct regmap_range axp22x_volatile_ranges[] = {
+	regmap_reg_range(AXP20X_PWR_INPUT_STATUS, AXP20X_PWR_OP_MODE),
 	regmap_reg_range(AXP20X_IRQ1_EN, AXP20X_IRQ5_STATE),
+	regmap_reg_range(AXP22X_GPIO_STATE, AXP22X_GPIO_STATE),
+	regmap_reg_range(AXP20X_FG_RES, AXP20X_FG_RES),
 };
 
 static const struct regmap_access_table axp22x_writeable_table = {