sunxi: h8_homlet_v2: Set DLDO4 to 3.3V

DLDO4 supplies power to the PD pins, and the AC200 Ethernet PHY /
composite video encoder.
Signed-off-by: NChen-Yu Tsai <wens@csie.org>
Reviewed-by: NHans de Goede <hdegoede@redhat.com>
Signed-off-by: NHans de Goede <hdegoede@redhat.com>

configs/h8_homlet_v2_defconfig

@@ -11,3 +11,4 @@ CONFIG_SPL=y
 # CONFIG_CMD_IMLS is not set
 # CONFIG_CMD_FLASH is not set
 # CONFIG_CMD_FPGA is not set
+CONFIG_AXP_DLDO4_VOLT=3300