tests: disable logging-related failing tests on qemu_arc_hs6x

Temporary disable logging-related failing tests on qemu_arc_hs6x
until we fix the rootcause so we can enable qemu_arc_hs6x in
upstream verification.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
Signed-off-by: Evgeniy Paltsev <PaltsevEvgeniy@gmail.com>