Add error messages for NVMe status values.

dev_interface.cpp: Add message to 'set_nvme_err()'.
nvmecmds.cpp, nvmecmds.h: Add functions 'nvme_status_*()'.
nvmeprint.cpp: Add message to '-l error' output (related: #1300).

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk@5471 4ea69e1a-61f1-4043-bf83-b5c94c648137