Kconfig: rename CONSOLE_SERIAL_UART to DRIVERS_UART

Some upstreaming patches missed that, so follow up.

Change-Id: I28665c97ac777d8b0b0f909e64b32681ed2b98f7
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9771
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Tested-by: build bot (Jenkins)
diff --git a/src/mainboard/google/veyron_speedy/Kconfig b/src/mainboard/google/veyron_speedy/Kconfig
index 4d7f45d..facd715 100644
--- a/src/mainboard/google/veyron_speedy/Kconfig
+++ b/src/mainboard/google/veyron_speedy/Kconfig
@@ -78,7 +78,7 @@
 
 config CONSOLE_SERIAL_UART_ADDRESS
 	hex
-	depends on CONSOLE_SERIAL_UART
+	depends on DRIVERS_UART
 	default 0xFF690000
 
 config PMIC_BUS