docs: Fix some broken references

As we move stuff around, some doc references are broken. Fix some of
them via this script:
	./scripts/documentation-file-ref-check --fix

Manually checked if the produced result is valid, removing a few
false-positives.

Acked-by: Takashi Iwai <tiwai@suse.de>
Acked-by: Masami Hiramatsu <mhiramat@kernel.org>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Acked-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Reviewed-by: Coly Li <colyli@suse.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Acked-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/lib/Kconfig b/lib/Kconfig
index 809fdd1..e34b04b 100644
--- a/lib/Kconfig
+++ b/lib/Kconfig
@@ -405,7 +405,7 @@
 
 	  See:
 
-		Documentation/assoc_array.txt
+		Documentation/core-api/assoc_array.rst
 
 	  for more information.