Defines starting with `o' in iokit/Drivers/scsi/drvSymbios8xx

• OLF iokit/Drivers/scsi/drvSymbios8xx/Sym8xxRegs.h:187
• OLF1 iokit/Drivers/scsi/drvSymbios8xx/Sym8xxRegs.h:206
• ORF iokit/Drivers/scsi/drvSymbios8xx/Sym8xxRegs.h:186
• ORF1 iokit/Drivers/scsi/drvSymbios8xx/Sym8xxRegs.h:205