bhyve nvme: Implement LBA Range Type feature

[chuck]

Summary

Add minimal support for setting and getting the LBA Range Type feature.

Tested by:
MFC after: 2 weeks

[wanpengqian_gmail.com]

struct nvme_lba_range_type lba_range did not initialize when the controller initialized/reset.
how about add an init method to the nvme_feature_obj struct and call it when the feature needs initialization.

[allanjude]

Reviewed By: allanjude

[imp]

usr.sbin/bhyve/pci_nvme.c

336

Does this need to be initialized to something other than 0? Do we need to persist set values?

[chuck]

Dropping this feature as it is not mandatory