rpi4: config: Enable serial

Add configration to enable serial in config.txt file.

Change-Id: Ibe5971e1f068a8ef13ec7bb4e16aa9cfe1ab5feb
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>

diff --git a/rpi4/boot/config.txt b/rpi4/boot/config.txt
index 578d736..f7c2b7a 100644 (file)
--- a/rpi4/boot/config.txt
+++ b/rpi4/boot/config.txt
@@ -62,3 +62,7 @@ max_framebuffers=2
 
 [all]
 #dtoverlay=vc4-fkms-v3d
+
+# Enable serial
+enable_uart=1
+uart_2ndstage=1