rpi3: config: Enable serial

Add configration to enable serial in config.txt file, then we can serial
log from kernel or u-boot during booting.

Change-Id: Iebe3345b52cb2886daa0d8bdf1e15747dde2af39
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>

diff --git a/rpi3/boot/config.txt b/rpi3/boot/config.txt
index 06364c5..d96844a 100644 (file)
--- a/rpi3/boot/config.txt
+++ b/rpi3/boot/config.txt
@@ -54,3 +54,6 @@
 
 # Enable audio (loads snd_bcm2835)
 dtparam=audio=on
+
+# Enable serial
+enable_uart=1