tf-coverity: exclude arm/tc fiptool file

Signed-off-by: Raef Coles <raef.coles@arm.com>
Change-Id: Ie7679edb753f7cec7d0a433153ade677f7f63a47
(cherry picked from commit fb290463623267bf61770f43d61abd5d518b83a2)
1 file changed