[IA64] MCA support - Disable CPE interrupt mode for dom0

[IA64] MCA support - Disable CPE interrupt mode for dom0

   This patch disables CPE interupt mode for dom0. In current MCA
implementaion, CPE interrupts do not notify to dom0. The dom0 is
expected to get error logs in polling mode.

   Therefore I modified the ACPI table to disable CPE interrupt mode
in before the address of it is passed through to dom0. I think that
there is no problem because the initialization of ACPI is completed by
the passed time even if this modification is added.

Signed-off-by: Yutaka Ezaki <yutaka.ezaki@jp.fujitsu.com>
Signed-off-by: Masaki Kanno <kanno.masaki@jp.fujitsu.com>
Signed-off-by: Kazuhiro Suzuki <kaz@jp.fujitsu.com>