Kbuild/doc: fix links to Documentation files

Fix links to files in Documentation/* in various Kconfig files

Signed-off-by: Dirk Hohndel <hohndel@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/w1/Kconfig b/drivers/w1/Kconfig
index 6854fd6..9adbb4f 100644
--- a/drivers/w1/Kconfig
+++ b/drivers/w1/Kconfig
@@ -17,7 +17,8 @@
 	bool "Userspace communication over connector"
 	default y
 	--- help ---
-	  This allows to communicate with userspace using connector [Documentation/connector].
+	  This allows to communicate with userspace using connector. For more
+	  information see <file:Documentation/connector/connector.txt>.
 	  There are three types of messages between w1 core and userspace:
 	  1. Events. They are generated each time new master or slave device found
 		either due to automatic or requested search.