HP300 configuration updates from Kars de Jong:
  - Updated help for CONFIG_HP300
  - DIO support defaults to y
  - HP DCA support depends on SERIAL_8250
  - Added HP APCI option
  - Removed HP DCA from SERIAL_CONSOLE dependencies
Signed-off-by: Kars de Jong <jongk@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>