rockchip: Pinebook Pro: Fix USB and the USB attached keyboard

The built in keyboard on the Pinebook Pro is attached via USB so
fix this up to ensure USB works as expected.

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/configs/pinebook-pro-rk3399_defconfig b/configs/pinebook-pro-rk3399_defconfig
index 21eecf4..7334635 100644
--- a/configs/pinebook-pro-rk3399_defconfig
+++ b/configs/pinebook-pro-rk3399_defconfig
@@ -61,6 +61,8 @@
 CONFIG_DM_RESET=y
 CONFIG_BAUDRATE=1500000
 CONFIG_DEBUG_UART_SHIFT=2
+CONFIG_USE_PREBOOT=y
+CONFIG_PREBOOT="usb start"
 CONFIG_ROCKCHIP_SPI=y
 CONFIG_SYSRESET=y
 CONFIG_USB=y
@@ -68,8 +70,11 @@
 CONFIG_USB_XHCI_DWC3=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_GENERIC=y
+CONFIG_USB_OHCI_HCD=y
+CONFIG_USB_OHCI_GENERIC=y
 CONFIG_USB_DWC3=y
 CONFIG_ROCKCHIP_USB2_PHY=y
+CONFIG_DM_KEYBOARD=y
 CONFIG_USB_KEYBOARD=y
 CONFIG_USB_HOST_ETHER=y
 CONFIG_USB_ETHER_ASIX=y