fix interrupt for f5 (ehci)


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2335 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/mainboard/olpc/rev_a/Config.lb b/src/mainboard/olpc/rev_a/Config.lb
index 865543a..db80ccd 100644
--- a/src/mainboard/olpc/rev_a/Config.lb
+++ b/src/mainboard/olpc/rev_a/Config.lb
@@ -139,7 +139,7 @@
 			register "enable_uarta" = "1"
 			register "audio_irq" = "5"
 			register "usbf4_irq" = "10"
-			register "usbf5_irq" = "0"
+			register "usbf5_irq" = "10"
 			register "usbf6_irq" = "0"
 			register "usbf7_irq" = "0"
         		device pci d.0 on end	# Realtek 8139 LAN