lib: update location of kgdb documentation

The documentation was moved from DocBook directory.
Update its location.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/lib/Kconfig.kgdb b/lib/Kconfig.kgdb
index 533f912638ede9b8365c636327981afa2b589055..ab4ff0eea776da8b8c8a428e3299ecf49f2fc9c0 100644 (file)
--- a/lib/Kconfig.kgdb
+++ b/lib/Kconfig.kgdb
@@ -13,7 +13,7 @@ menuconfig KGDB
          CONFIG_FRAME_POINTER to aid in producing more reliable stack
          backtraces in the external debugger.  Documentation of
          kernel debugger is available at http://kgdb.sourceforge.net
-         as well as in DocBook form in Documentation/DocBook/.  If
+         as well as in Documentation/dev-tools/kgdb.rst.  If
          unsure, say N.
 
 if KGDB