[PATCH] tty: serial: Kconfig: Fix a typo

[Christophe JAILLET]

'exsisting' has an extra 's'

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/tty/serial/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 52eaac21ff9f..7172f1c5fa6d 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -1111,7 +1111,7 @@ config SERIAL_SC16IS7XX_SPI
 	help
 	  Enable SC16IS7xx driver on SPI bus,
 	  If required say y, and say n to spi if not required,
-	  This is additional support to exsisting driver.
+	  This is additional support to existing driver.
 	  You must select at least one bus for the driver to be built.
 
 config SERIAL_TIMBERDALE
-- 
2.20.1