Add dynamic kernel args for uboot based device.

In one job, although we could define multiple boot, but can't change kernel boot args.
This patch allows kernel args could be dynamic changed across different boot action.

Signed-off-by: Larry Shen <larry.shen@nxp.com>
16 jobs for feature/dynamic_kernel_args in 16 minutes and 7 seconds (queued for 3 seconds)
latest
Status Name Job ID Coverage
  Test
passed dispatcher-debian-10 #125537
amd64

00:02:17

passed dispatcher-debian-11 #125539
amd64

00:02:19

passed server-debian-10 #125538
amd64

00:02:52

passed server-debian-11 #125540
amd64

00:05:09

 
  Analyze
passed bandit-sast #125541
amd64-dind

00:00:55

passed black #125542
amd64

00:00:36

passed code_quality #125543
amd64

00:00:20

passed codespell #125548
amd64

00:00:18

passed coverage #125544
amd64

00:06:29

60.88%
passed dockerfiles #125545
amd64

00:00:15

passed pylint #125547
amd64

00:03:04

passed schemas #125546
amd64

00:00:29

 
  Build
passed debian/10 #125550
amd64

00:01:19

passed doc #125549
amd64

00:00:36

passed docker-amd64-dispatcher #125551
amd64-dind

00:03:36

passed docker-amd64-server #125552
amd64-dind

00:04:22