configs: rk3328: add support for usb and config ehci and ohci driver

Add defconfig for usb and ehci and ohci controller, config maximal
number of ports of the root hub for ohci driver.

Signed-off-by: Meng Dongyang <daniel.meng@rock-chips.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2 files changed