Defines starting with `k' in arch/i386/isa

• KBDATA arch/i386/isa/pccons.c:707
• KBS_INP_BUF_FUL arch/i386/isa/pccons.c:706
• KBSTAT arch/i386/isa/pccons.c:705
• KBSTATUSPORT arch/i386/isa/pccons.c:708