nvme-cli: Add support set feature event in PEL

nvme-cli: Add support set feature event in PEL

Add "Set Feature" event in PEL.

Persistent Event Entries:
Event Number: 0
Event Type: Set Feature Event(0xb)
Event Type Revision: 1
Event Header Length: 21
Controller Identifier: 65
Event Timestamp: 564587204146155
Vendor Specific Information Length: 0
Event Length: 16
Set Feature Event Entry:
Set Feature ID  :0x7 (Number of Queues),  value:0x270027
        Number of IO Completion Queues Allocated (NCQA): 40
        Number of IO Submission Queues Allocated (NSQA): 40

Signed-off-by: Wen Xiong <wenxiong@us.ibm.com>