nvme-trace: fix spelling mistake "spcecific" -> "specific"

There are two spelling mistakes in trace_seq_printf messages, fix these.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>