yocto: improve bootloader_message [1/1]

PD#SWPL-99157

Problem:
improve bootloader_message

Solution:
improve bootloader_message

Verify:
S4_AP222

Change-Id: I8b1c353252aeb457f3a89685b27d84eb75134271
Signed-off-by: Bing Jiang <bing.jiang@amlogic.com>
4 files changed