uboot-phytec

sunxi: Add INITIAL_USB_SCAN_DELAY to Mele_A1000G_quad_defconfig

The Mele_A1000G_quad has an onboard usb <-> sata conversion which needs
longer then the usb-spec allows to connect after getting power.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>