drm-ci: flaky tests for msm driver testing

[Vignesh Raman]

Hi Maintainers,

There are some flaky tests reported for msm driver testing in drm-ci for 
the below boards.

*)
# Board Name: apq8096-db820c
# IGT Version: 1.28-g0df7b9b97
# Linux Version: 6.9.0-rc7
# Failure Rate: 50
dumb_buffer at create-clear

*)
# Board Name: sc7180-trogdor-kingoftown
# IGT Version: 1.28-g0df7b9b97
# Linux Version: 6.9.0-rc7
# Failure Rate: 50
msm_mapping at shadow
msm_shrink at copy-gpu-oom-32
msm_shrink at copy-gpu-oom-8

*)
# Board Name: sc7180-trogdor-lazor-limozeen-nots-r5
# IGT Version: 1.28-g0df7b9b97
# Linux Version: 6.9.0-rc7
# Failure Rate: 50
msm_mapping at shadow

*)
# Board Name: sdm845-cheza-r3
# IGT Version: 1.28-g0df7b9b97
# Linux Version: 6.9.0-rc7
# Failure Rate: 50
kms_cursor_legacy at basic-flip-after-cursor-atomic
kms_cursor_legacy at basic-flip-after-cursor-legacy
kms_cursor_legacy at basic-flip-after-cursor-varying-size
kms_cursor_legacy at basic-flip-before-cursor-varying-size
kms_cursor_legacy at flip-vs-cursor-atomic-transitions
kms_cursor_legacy at flip-vs-cursor-atomic-transitions-varying-size
kms_cursor_legacy at flip-vs-cursor-varying-size
kms_cursor_legacy at short-flip-after-cursor-atomic-transitions
kms_cursor_legacy at short-flip-after-cursor-atomic-transitions-varying-size
kms_cursor_legacy at short-flip-after-cursor-toggle
kms_cursor_legacy at short-flip-before-cursor-atomic-transitions
kms_cursor_legacy at short-flip-before-cursor-atomic-transitions-varying-size
msm_shrink at copy-gpu-32
msm_shrink at copy-gpu-oom-32

Will add these tests in,
drivers/gpu/drm/ci/xfails/msm-apq8096-flakes.txt
drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-kingoftown-flakes.txt
drivers/gpu/drm/ci/xfails/msm-sc7180-trogdor-lazor-limozeen-flakes.txt
drivers/gpu/drm/ci/xfails/msm-sdm845-flakes.txt

(https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/Documentation/gpu/automated_testing.rst#n70)

Please could you have a look at these test results and let us know if 
you need more information. Thank you.

Regards,
Vignesh