ACPI: EC: Workaround for optimized controllers

Some controllers fail to send confirmation GPE after address write.
Detect this and don't expect such confirmation in future.
This is a generalization of previous workaround
(66c5f4e7

), which did only read address.

http://bugzilla.kernel.org/show_bug.cgi?id=9327

Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de>
Tested-by: Romano Giannetti <romano.giannetti@gmail.com>
Signed-off-by: Len Brown <len.brown@intel.com>