tf-coverity: exclude STM32MP files used to build host tools

plat/st/stm32mp1/plat_def_uuid_config.c is used to build STM32MP fiptool.
plat/st/stm32mp1/stm32mp1_tbb_cert.c is used to build STM32MP cert_create
tool.

Signed-off-by: Yann Gautier <yann.gautier@st.com>
Change-Id: I1c8c092bc52ef4c6a3f28b9bbec610ba50c0c779
1 file changed