docs: fix locations of several documents that got moved

The previous patch renamed several files that are cross-referenced
along the Kernel documentation. Adjust the links to point to
the right places.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
diff --git a/Documentation/networking/netconsole.txt b/Documentation/networking/netconsole.txt
index 30409a3..296ea00 100644
--- a/Documentation/networking/netconsole.txt
+++ b/Documentation/networking/netconsole.txt
@@ -200,7 +200,7 @@
 or by specifying "debug" on the kernel command line at boot, to send
 all kernel messages to the console. A specific value for this parameter
 can also be set using the "loglevel" kernel boot option. See the
-dmesg(8) man page and Documentation/kernel-parameters.txt for details.
+dmesg(8) man page and Documentation/admin-guide/kernel-parameters.rst for details.
 
 Netconsole was designed to be as instantaneous as possible, to
 enable the logging of even the most critical kernel bugs. It works