sunxi: usb: Switch to Generic host controllers

Onc of key blocker for using USB Generic host controller
drivers in Allwinner are CLK and RESET drivers, now these
available for USB usage.

So switch sunxi USB use EHCI and OHCI Generic controllers.

Enabling USB is wisely a board choise, So Enable USB_OHCI_HCD
where it already have USB_EHCI_HCD

Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
diff --git a/configs/inet_q972_defconfig b/configs/inet_q972_defconfig
index d15f71a..7f3d04d 100644
--- a/configs/inet_q972_defconfig
+++ b/configs/inet_q972_defconfig
@@ -20,6 +20,7 @@
 # CONFIG_SPL_EFI_PARTITION is not set
 CONFIG_DEFAULT_DEVICE_TREE="sun6i-a31s-inet-q972"
 CONFIG_AXP_DLDO1_VOLT=3300
+CONFIG_USB_OHCI_HCD=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_MUSB_HOST=y
 CONFIG_SYS_USB_EVENT_POLL_VIA_INT_QUEUE=y