Branch b1_8_gate

b=16035
i=brian, adilger, cliff.white

Enable DEBUG_INFO in lustre kernel config files.

lustre/kernel_patches/kernel_configs/kernel-2.6.9-2.6-rhel4-ia64-smp.config

@@ -1967,7 +1967,7 @@ CONFIG_MAGIC_SYSRQ=y
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_SPINLOCK=y
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
-# CONFIG_DEBUG_INFO is not set
+CONFIG_DEBUG_INFO=y
 CONFIG_KPROBES=y
 CONFIG_IA64_GRANULE_16MB=y
 # CONFIG_IA64_GRANULE_64MB is not set