nvidia/tegra132: we write tables in ramstage

So that's more precise than "anything non-pre-ram".

Change-Id: I21db536a5ea704c4b087f57d0b761dd3fdf43e3e
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/10128
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>

src/soc/nvidia/tegra132/uart.c

@@ -146,7 +146,7 @@ void uart_tx_flush(int idx)
 	tegra132_uart_tx_flush(uart_ptr);
 }
 
-#ifndef __PRE_RAM__
+#if ENV_RAMSTAGE
 void uart_fill_lb(void *data)
 {
 	struct lb_serial serial;