google/reef: Select UART_FOR_CONSOLE for reef

Change-Id: I714af8ab552dc1923a1b64e0c502d6c7b96dd444
Signed-off-by: Furquan Shaikh <furquan@google.com>
Reviewed-on: https://review.coreboot.org/15044
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/mainboard/google/reef/Kconfig

@@ -50,4 +50,8 @@ config MAX_CPUS
 	int
 	default 8
 
+config UART_FOR_CONSOLE
+	int
+	default 2
+
 endif # BOARD_GOOGLE_REEF