kernel: kmod-usb-serial-keyspan: fix dependencies

This fixes the following error:
keyspan: Unknown symbol ezusb_fx1_ihex_firmware_download (err 0)

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>

SVN-Revision: 37899

package/kernel/linux/modules/usb.mk

@@ -538,7 +538,7 @@ define KernelPackage/usb-serial-keyspan
   FILES:= \
 	$(LINUX_DIR)/drivers/usb/serial/keyspan.ko \
 	$(wildcard $(LINUX_DIR)/drivers/usb/misc/ezusb.ko)
-  AUTOLOAD:=$(call AutoLoad,65,keyspan)
+  AUTOLOAD:=$(call AutoLoad,65,ezusb keyspan)
   $(call AddDepends/usb-serial)
 endef