[FREELDR] Add ARC-emulation support for NEC PC-98 series

- Add ARC-emulation support for NEC PC-98 series
- Add global definition for PC-98 port into CMakeLists.txt
- Add floppy verison of freeldr.ini for PC-98 CD boot

boot/bootdata/floppy_pc98.ini

@@ -0,0 +1,56 @@
+[FREELOADER]
+DefaultOS=LiveCD_Debug
+TimeOut=5
+
+[Display]
+TitleText=ReactOS CD boot
+StatusBarColor=Cyan
+StatusBarTextColor=Black
+BackdropTextColor=White
+BackdropColor=Blue
+BackdropFillStyle=Medium
+TitleBoxTextColor=White
+TitleBoxColor=Red
+MessageBoxTextColor=White
+MessageBoxColor=Blue
+MenuTextColor=Gray
+MenuColor=Black
+TextColor=Gray
+SelectedTextColor=Black
+SelectedColor=Gray
+ShowTime=No
+MenuBox=No
+CenterMenu=No
+MinimalUI=Yes
+TimeText=Seconds until highlighted choice will be started automatically:   
+
+[Operating Systems]
+LiveCD="LiveCD"
+LiveCD_Debug="LiveCD (Debug)"
+LiveCD_Screen="LiveCD (Screen)"
+LiveCD_LogFile="LiveCD (Log file)"
+Setup="Setup"
+
+[LiveCD]
+BootType=Windows2003
+SystemPath=multi(0)disk(0)cdrom(0)\reactos
+Options=/MININT
+
+[LiveCD_Debug]
+BootType=Windows2003
+SystemPath=multi(0)disk(0)cdrom(0)\reactos
+Options=/DEBUG /DEBUGPORT=COM1 /BAUDRATE=115200 /SOS /MININT
+
+[LiveCD_Screen]
+BootType=Windows2003
+SystemPath=multi(0)disk(0)cdrom(0)\reactos
+Options=/DEBUG /DEBUGPORT=SCREEN /SOS /MININT
+
+[LiveCD_LogFile]
+BootType=Windows2003
+SystemPath=multi(0)disk(0)cdrom(0)\reactos
+Options=/DEBUG /DEBUGPORT=FILE:\Device\HarddiskX\PartitionY\debug.log /SOS /MININT
+
+[Setup]
+BootType=ReactOSSetup
+SystemPath=multi(0)disk(0)cdrom(0)\reactos