Defines starting with `f' in osfmk/ppc

• FALIGN osfmk/ppc/asm.h:356
• _FIRMWARECALLS_H_ osfmk/ppc/FirmwareCalls.h:39
• _FIRMWARE_H_ osfmk/ppc/Firmware.h:35
• FIXED_PREAMBLE_INSTRUCTIONS osfmk/ppc/net_filter.c:654
• floatUsed osfmk/ppc/thread_act.h:100
• FM_ARG0 osfmk/ppc/asm.h:326
• FM_BACKPTR osfmk/ppc/asm.h:322
• FM_CR_SAVE osfmk/ppc/asm.h:323
• FM_ELF_ARG0 osfmk/ppc/asm.h:329
• FM_LR_SAVE osfmk/ppc/asm.h:324
• FM_MACHO_ARG0 osfmk/ppc/asm.h:330
• FM_REDZONE osfmk/ppc/asm.h:338
• FM_SIZE osfmk/ppc/asm.h:325
• FPVECDBG osfmk/ppc/cswtch.s:34
• FRAME_SIZE osfmk/ppc/net_filter.c:686
• FREE_REGION_MAX osfmk/ppc/pmap_internals.h:104