sunxi: musb: Drop no longer accurate comment in Kconfig help text

Drop the no longer accurate part of the USB_MUSB_SUNXI Kconfig help text,
since the musb-host code now supports the device-model, ehci and musb in
host mode can both be enabled at the same time without issues.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>

drivers/usb/musb-new/Kconfig

@@ -21,8 +21,6 @@ config USB_MUSB_SUNXI
 	default y
 	---help---
 	Say y here to enable support for the sunxi OTG / DRC USB controller
-	used on almost all sunxi boards. Note currently u-boot can only have
-	one usb host controller enabled at a time, so enabling this on boards
-	which also use the ehci host controller will result in build errors.
+	used on almost all sunxi boards.
 
 endif