Minor update to lld/ReleaseNotes.

llvm-svn: 353749

Author: rui314

lld/docs/ReleaseNotes.rst

@@ -61,8 +61,9 @@ ELF Improvements
   the compatibility with the standard AArch64 ABI.
   (`r350681 <https://reviews.llvm.org/rL350681>`_)
 
-* The following flags have been added: ``-z interpose``, ``-z global``, ``-z
-  nodefaultlib``
+* The following flags have been added: ``--call-graph-profile``,
+  ``--no-call-graph-profile``, ``--warn-ifunc-textrel``,
+  ``-z interpose``, ``-z global``, ``-z nodefaultlib``
 
 COFF Improvements
 -----------------