ose: Reduce number of fair yields for scheduler
ose: Enable lwsync support and we only run as priority processes
erts: Introduce erlang:fun_info_mfa/1

Introduced for proc_lib:init_p/3
stdlib: Use erlang:fun_info_mfa/1 in proc_lib:init_p/3
erts: Use Duff's device on erlang:setelement/3

Unroll setelement copy loop.
stdlib: Inline utility functions in proc_lib
ose: Make dispatch rules global