set up interrupt values for the southbridge, and add a function to
manage them. Make pci_level_irq global. Add value settings for OLPC
rev_a board. Comment out no-longer-needed code in olpc mainboard.c 
-- it is replaced by the settings in Config.lb, and the support
in cs5536.c


git-svn-id: svn://svn.coreboot.org/coreboot/trunk@2328 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/src/devices/pci_device.c b/src/devices/pci_device.c
index f89f5bb..9451ea3 100644
--- a/src/devices/pci_device.c
+++ b/src/devices/pci_device.c
@@ -1161,7 +1161,7 @@
     Tell the EISA int controller this int must be level triggered
     THIS IS A KLUDGE -- sorry, this needs to get cleaned up.
 */
-static void pci_level_irq(unsigned char intNum)
+void pci_level_irq(unsigned char intNum)
 {
 	unsigned short intBits = inb(0x4d0) | (((unsigned) inb(0x4d1)) << 8);