Replace freenode references

The flashrom project no longer uses freenode. To avoid having outdated
man pages in the future, the contact methods are now listed in the wiki.

Change-Id: I75e8f43c50dc4c3feede0250334a877cdaac8103
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/56031
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/68063
3 files changed