seibuspi.c: Minor documentation / comment corrections - NW

git-svn-id: svn://dspnet.fr/mame/trunk@22682 749742ba-7341-0410-aadc-df50b521781e
invqix.c: Add a note about an alt PCB showing a different PCM rom label. - NW

git-svn-id: svn://dspnet.fr/mame/trunk@22683 749742ba-7341-0410-aadc-df50b521781e
nbbatman2bl - replace bad dumps of gfx roms [Smitdogg]

git-svn-id: svn://dspnet.fr/mame/trunk@22684 749742ba-7341-0410-aadc-df50b521781e
silkroad - replaced bad rom, removed init hack [Brian Troha, Smitdogg, The Dumping Union]

git-svn-id: svn://dspnet.fr/mame/trunk@22685 749742ba-7341-0410-aadc-df50b521781e
Autoboot command support added [Ben Geeves,Miodrag Milanovic]

git-svn-id: svn://dspnet.fr/mame/trunk@22686 749742ba-7341-0410-aadc-df50b521781e
silkroad.c: Add rom locations to rom names. - NW

git-svn-id: svn://dspnet.fr/mame/trunk@22687 749742ba-7341-0410-aadc-df50b521781e