[PATCH]Fix typo in LEGACY_TIOCSTI Kconfig description

[Hanno Böck]

There is a stray ' in the description before the Y. It appears this was
meant as a quote for the 'Y'. However, it is more common to use
unquoted Y in Kconfig descriptions.

diff --git a/drivers/tty/Kconfig b/drivers/tty/Kconfig
index d35fc068d..84caac32f 100644
--- a/drivers/tty/Kconfig
+++ b/drivers/tty/Kconfig
@@ -160,7 +160,7 @@ config LEGACY_TIOCSTI
 	  a dangerous legacy operation, and can be disabled on most
 	  systems.
 
-	  Say 'Y here only if you have confirmed that your system's
+	  Say Y here only if you have confirmed that your system's
 	  userspace depends on this functionality to continue operating
 	  normally.