CI: Fix FVP DynamIQ configurations for TFTF

This patch fixes TFTF configurations for
FVP models
FVP_Base_Cortex-A55x4+Cortex-A75x4
FVP_Base_Cortex-A55x4+Cortex-A76x2
by setting number of clusters to 1 and
maximum number of CPUs in DSU cluster
to 8. For more information see
https://review.trustedfirmware.org/c/TF-A/tf-a-tests/+/6100

Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Change-Id: Iaf5c1acfffe86a8e364961c1db44d0d3133ce019
3 files changed