Resolve an issue with default library emulation segfault

Signed-off-by: Mark Harvey <markh794@gmail.com>
Fix SL500 reference - bad cut/paste

Also add valid slot ranges for this model.

Signed-off-by: Mark Harvey <markh794@gmail.com>
Correct default slot locations for the L180/L700

Signed-off-by: Mark Harvey <markh794@gmail.com>