[PATCH 8/7] bootimg-efi-isar: Fix serial console setup for grub

[Jan Kiszka <jan.kiszka@siemens.com>]

From: Jan Kiszka <jan.kiszka@siemens.com>

We were lacking terminal_input/output to make the serial console truly
work.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
 meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
index 1ca200f..c6a6a02 100644
--- a/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
+++ b/meta/scripts/lib/wic/plugins/source/bootimg-efi-isar.py
@@ -65,8 +65,10 @@ class BootimgEFIPlugin(SourcePlugin):
             # Create grub configuration using parameters from wks file
             bootloader = creator.ks.bootloader
 
-            grubefi_conf = ""
-            grubefi_conf += "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
+            grubefi_conf =  "serial --unit=0 --speed=115200 --word=8 --parity=no --stop=1\n"
+            grubefi_conf += "terminal_input --append serial\n"
+            grubefi_conf += "terminal_output --append serial\n"
+            grubefi_conf += "\n"
             grubefi_conf += "default=boot\n"
             grubefi_conf += "timeout=%s\n" % bootloader.timeout
             for part in creator.parts:
-- 
2.16.4