Update to swig version error message
Update to swig version error message

- Fixed spelling error
- Add additional hint about using --swig

open-power/eCMD,mklight/eCMD,open-power/eCMD,open-power/eCMD,mklight/eCMD,mklight/eCMD,mklight/eCMD,open-power/eCMD,mklight/eCMD,open-power/eCMD