Add SVN Commit ID to version header.
Enable YM2149 OS support on V4 target
Unlock upcoming/WIP Atari-like hardware features (MFP, YM)
Disabled amiga_autoconfig() if CONF_WITH_APOLLO_68080 is defined.
Turn RBF and TBE IRQs into MFP pseudo interrupts
Save some stack
Correct return address for pseudo interrupts + fix unintended branch to mfp_done
Patch IPL levels