Defines starting with `f' in common

• FASTPOLL_INTERVAL common/random.h:32
• FILESYS_FAT common/format.h:61
• FILESYS_NONE common/format.h:60
• FILESYS_NTFS common/format.h:62
• FIRST_MODE_OF_OPERATION_ID common/crypto.h:84
• FIRST_PRF_ID common/crypto.h:49
• FMIFS_DONE common/format.h:46
• FMIFS_HARDDISK common/format.h:47