Adds emission of the code for 'proc_bind(master|close|spread)' clause:
call void @__kmpc_push_proc_bind(<loc>, i32 thread_id, i32 4|3|2)



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@240018 91177308-0d34-0410-b5e6-96231b3b80d8