sdr type sub command doesn't work when user specifiy hex value

[coklm]

this fixes #322，please review

[AlexanderAmelkin]

[sdr type sub command doesn't work when user specifiy hex value]

must be:

sdr type: Fix use with type as hex value

This is a refix of 956ae2b372b612b4cf133ecb424f58b7edc418cb.

That commit changed `strncmp()` for `strcmp()` and thus broke
the check for hex value prefix in `sdr type` subcommand.

Resolves ipmitool/ipmitool#322

Signed-off-by: Your Name <your@e.mail>

[fix ipmitool sdr type "FRU State" will not found]

must be:

sdr type: Fix finding 'FRU State' type

The search for SDR type was using a wrong range.

Related to ipmitoo/ipmitool#322

Signed-off-by: Your Name <your@e.mail>

[AlexanderAmelkin]

Please fix the commit messages