winent/mb6047: use correct ACPI SCI interrupt trigger

Change-Id: I245c0afb66f3a29b5acb40e8d949d8b1aa08cd73
Signed-off-by: Jonathan A. Kollasch <jakllsch@kollasch.net>
Reviewed-on: http://review.coreboot.org/8315
Reviewed-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Tested-by: build bot (Jenkins)
1 file changed