Documentation: Replace more lkml.org links with lore

As started by commit 05a5f51ca566 ("Documentation: Replace lkml.org
links with lore"), replace a few more scattered lkml.org links with
lore to better use a single source that's more likely to stay available
long-term.

Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20210210234005.2236201-1-keescook@chromium.org
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/CREDITS b/CREDITS
index cef83b9..cf8e234 100644
--- a/CREDITS
+++ b/CREDITS
@@ -550,7 +550,7 @@
 D: device drivers.  His encouragement also helped many engineers get
 D: started working on the Linux kernel.  David passed away in early
 D: 2011, and will be greatly missed.
-W: https://lkml.org/lkml/2011/4/5/36
+W: https://lore.kernel.org/lkml/20110405034819.GA7872@kroah.com
 
 N: Gary Brubaker
 E: xavyer@ix.netcom.com