drm/i915: Add HP nx9020/SamsungSX20S to ACPI LID quirk list

The HP comaq nx9020/Samsung SX20S laptop always report that the LID status is
closed and we can't use it reliabily for LVDS detection. So add the two boxes
into the quirk list.

http://bugzilla.kernel.org/show_bug.cgi?id=14957
http://bugzilla.kernel.org/show_bug.cgi?id=14554



Signed-off-by: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>