Unirom version updated to 8.0.K

Merge pull request #65 from brad-lin/slot2

Slot2

Release 1.2 (Unirom 8.0.H)

Merge pull request #34 from brad-lin/bios_11_and_20

Support BIOS 1.1, and flush icache for BIOS 2.0

Typo.