fix: disable FPGA build test

The recent workaround for CVE-2022-23960 has resulted in the FPGA build
test failing due to the increased size of the BL31 binary. This patch
removes this build config temporarily until these issues can be resolved
properly.

Signed-off-by: John Powell <john.powell@arm.com>
Change-Id: I4a477f8029a71135203572922963e85b99a04514
1 file changed