tty: serial: Enable uartlite for ARM zynq

Enable it in Kconfig.
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/tty/serial/Kconfig

@@ -576,7 +576,7 @@ config SERIAL_IMX_CONSOLE
 
 config SERIAL_UARTLITE
 	tristate "Xilinx uartlite serial port support"
-	depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE
+	depends on PPC32 || MICROBLAZE || MFD_TIMBERDALE || ARCH_ZYNQ
 	select SERIAL_CORE
 	help
 	  Say Y here if you want to use the Xilinx uartlite serial controller.