arm64: defconfig: Enable MFD_AXP20X_I2C

The Allwinner H6 SoC is paired with the X-Powers AXP805 PMIC
connected via I2C.

Enable the driver for this PMIC.
Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> # OPI-1+
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm64/configs/defconfig

@@ -392,6 +392,7 @@ CONFIG_MESON_WATCHDOG=m
 CONFIG_RENESAS_WDT=y
 CONFIG_UNIPHIER_WATCHDOG=y
 CONFIG_BCM2835_WDT=y
+CONFIG_MFD_AXP20X_I2C=y
 CONFIG_MFD_BD9571MWV=y
 CONFIG_MFD_AXP20X_RSB=y
 CONFIG_MFD_CROS_EC=y