tf_fuzz: add --seed option to suitegen

Add the --seed option to tfz-suitegen, allowing reproducable test suite
builds.

To keep individual tests random, the seed given is not directly used by
TF-Fuzz, but is instead used to randomly generate a seed for TF-Fuzz.

Change-Id: Ia7d3d228619fbbbae05012343b0078c3287cbd77
Signed-off-by: Nik Dewally <Nik.Dewally@arm.com>
1 file changed