Updated core

Project: help  81aa73450c3acab47cbe939f19423597245d36d7

tdf#86637 (part) Help pages for OpenCL setings

This patch is a partial fix for tdf#86637 and provides an entry page
for Tools - Options - LibreOffice - Open CL

I left a warning that the page need further work.

Change-Id: I72514036a0ed95966c3ebc8fd12cea4edb2de4bf
Reviewed-on: https://gerrit.libreoffice.org/17251Reviewed-by: Olivier Hallot <olivier.hallot@edx.srv.br>
Tested-by: Olivier Hallot <olivier.hallot@edx.srv.br>

helpcontent2 @ 81aa7345

-Subproject commit a1c39441d6fbdce0cb60542884c03b671b7a448f
+Subproject commit 81aa73450c3acab47cbe939f19423597245d36d7