serial: max310x: Add MAX14830 support

This patch adds support for MAX14830 (advanced quad universal asynchronous
receiver-transmitter) into max310x driver.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/Kconfig b/drivers/tty/serial/Kconfig
index 8e1a9c5..bc486de 100644
--- a/drivers/tty/serial/Kconfig
+++ b/drivers/tty/serial/Kconfig
@@ -297,7 +297,7 @@
 	default n
 	help
 	  This selects support for an advanced UART from Maxim (Dallas).
-	  Supported ICs are MAX3107, MAX3108, MAX3109.
+	  Supported ICs are MAX3107, MAX3108, MAX3109, MAX14830.
 	  Each IC contains 128 words each of receive and transmit FIFO
 	  that can be controlled through I2C or high-speed SPI.