acer-wmi: No rfkill on HP Omen 15 wifi

Prevents acer-wmi from blocking wifi on HP Omen 15 laptops

Signed-off-by: Michael Powell <michael_powell@mentor.com>
[david.ward@ll.mit.edu: Resubmitted clean patch]
Signed-off-by: Darren Hart <dvhart@linux.intel.com>