Defines starting with `l' in osfmk/kern

• LEDGER_ITEM_INFINITY osfmk/kern/ledger.h:32
• LEDGER_NULL osfmk/kern/ledger.h:46
• lock_info_clear osfmk/kern/lock_mon.c:339
• lock_info_sort osfmk/kern/lock_mon.c:255
• LOCK_SET_EVENT osfmk/kern/sync_lock.c:99
• LOCK_SET_HANDOFF osfmk/kern/sync_lock.c:102
• LOCK_STACK_DEPTH osfmk/kern/thread.h:349
• LONG_AVG_INTERVAL osfmk/kern/task_swap.c:84
• LPRI osfmk/kern/sched.h:95