atacmds.cpp, ataprint.cpp: Improve messages for unsupported SMART Status command.

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3920 4ea69e1a-61f1-4043-bf83-b5c94c648137
ataprint.cpp: Print form factor.

git-svn-id: https://svn.code.sf.net/p/smartmontools/code/trunk/smartmontools@3921 4ea69e1a-61f1-4043-bf83-b5c94c648137