upgrade: kernel upgrade by July with kernel [1/1]

PD#SWPL-132973

Problem:
common14-5.15 rel_path is deprecated
update include/linux/upstream_version.h

Solution:
use 'realpath $1 --relative-to $2' instead.
update include/linux/upstream_version.h

Verify:
local

Change-Id: Iae256322e030a13076c9e40c3162e56d2cb87127
Signed-off-by: qinglin.li <qinglin.li@amlogic.com>
3 files changed