bhyve: implement Temperature Threshold set/get feature for NVMe controller

[wanpengqian_gmail.com]

Summary

Temperature Threshold is a mandatory feature for NVMe controller.
when controller reset, driver will check this feature.

this patch implement these feature.

Test Plan

FreeBSD: trigger a reset event and check if dmesg output temperature threshold not supported message.
Linux: use nvme to set/get this feature.

[wanpengqian_gmail.com]

Fix source of Threshold Type Select value.

[wanpengqian_gmail.com]

Implement Set Feature for Temperature Threshold.

[wanpengqian_gmail.com]

fix condition value.

[wanpengqian_gmail.com]

use function-like macro.

[wanpengqian_gmail.com]

create struct for each feature object