x86, mce: enable machine checks in 64-bit defconfig

Impact: defconfig change

Enable MCE in the 64-bit defconfig.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>

arch/x86/configs/x86_64_defconfig

 #
 # Automatically generated make config: don't edit
 # Linux kernel version: 2.6.29-rc4
-# Thu Feb 12 12:57:29 2009
+# Tue Feb 24 15:44:16 2009
 #
 CONFIG_64BIT=y
 # CONFIG_X86_32 is not set
@@ -268,7 +268,9 @@ CONFIG_PREEMPT_VOLUNTARY=y
 CONFIG_X86_LOCAL_APIC=y
 CONFIG_X86_IO_APIC=y
 CONFIG_X86_REROUTE_FOR_BROKEN_BOOT_IRQS=y
-# CONFIG_X86_MCE is not set
+CONFIG_X86_MCE=y
+CONFIG_X86_MCE_INTEL=y
+CONFIG_X86_MCE_AMD=y
 # CONFIG_I8K is not set
 CONFIG_MICROCODE=y
 CONFIG_MICROCODE_INTEL=y