hyperthreading disabled

The consumption of cycles and instructions as shown by perf. QAT doesn't show
any advantage.

fio --ioengine=psync --iodepth=1 --rw=randread --direct=1 --end_fsync=1 --bs=64k --numjobs=56 --time_based --runtime=10 --group_reporting --name=job --filename=/dev/nvme3n1

raw device:
16,855,338,865       cycles
17,204,938,351       instructions

dm-crypt, 4096 block, aes-ni:
50,937,954,742       cycles
79,277,461,232       instructions

dm-crypt, 4096 block, qat:
237,831,255,394      cycles
83,789,788,071	     instructions

dm-crypt, 512 block, aes-ni:
67,513,345,274       cycles
125,093,077,484      instructions

dm-crypt, 512 block, qat:
269,199,169,156      cycles
84,020,941,802       instructions