sun6i: ehci: Add sun6i ehci support

Add support for the 2 ehci controllers found on the sun6i (A31) soc.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>
Acked-by: Marek Vasut <marex@denx.de>
diff --git a/include/configs/sun6i.h b/include/configs/sun6i.h
index 9558771..1b73852 100644
--- a/include/configs/sun6i.h
+++ b/include/configs/sun6i.h
@@ -18,6 +18,11 @@
 
 #define CONFIG_SYS_PROMPT		"sun6i# "
 
+#ifdef CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_SUNXI
+#define CONFIG_USB_MAX_CONTROLLER_COUNT	2
+#endif
+
 /*
  * Include common sunxi configuration where most the settings are
  */