Softcams: NCam v5.9 for MiPS & ARM

Softcam NCam v5.9 for MiPS and ARM

Changelog: 

- some systems need libm for nagra cak7 
- continue to prepare code for Nagra Merlin support 
- try to fix for HD04 display of tiers and valid_to

NCam v5.9 MiPS: 

NCam v5.9 ARM: