Kconfig: USB: Migrate CONFIG_USB_EHCI to CONFIG_USB_EHCI_HCD

In order to be able to migrate the various SoC EHCI CONFIG options we
first need to finish the switch from CONFIG_USB_EHCI to
CONFIG_USB_EHCI_HCD.

Cc: Marek Vasut <marex@denx.de>
Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Marek Vasut <marex@denx.de>
diff --git a/include/configs/sun4i.h b/include/configs/sun4i.h
index 3dfd95a..bd34969 100644
--- a/include/configs/sun4i.h
+++ b/include/configs/sun4i.h
@@ -12,7 +12,7 @@
  * A10 specific configuration
  */
 
-#ifdef CONFIG_USB_EHCI
+#ifdef CONFIG_USB_EHCI_HCD
 #define CONFIG_USB_EHCI_SUNXI
 #endif