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

• KB_A20 arch/i386/netboot/kbd.c:69
• KBDATAP arch/i386/netboot/kbd.c:58
• KBS_INP_BUF_FUL arch/i386/netboot/kbd.c:57
• KBSTATP arch/i386/netboot/kbd.c:56
• KC_CMD_WIN arch/i386/netboot/kbd.c:67
• KC_CMD_WOUT arch/i386/netboot/kbd.c:68
• K_CMD arch/i386/netboot/kbd.c:62
• K_IBUF_FUL arch/i386/netboot/kbd.c:65
• K_OBUF_FUL arch/i386/netboot/kbd.c:64
• K_RDWR arch/i386/netboot/kbd.c:60
• K_STATUS arch/i386/netboot/kbd.c:61