tf-coverity: Remove blank character in the file names.

The file names in the coverity exclusion list had an extra blank character at the end
"plat/st/stm32mp1/plat_def_uuid_config.c" and "drivers/io/io_dummy.c"

Signed-off-by: Sona Mathew <SonaRebecca.Mathew@arm.com>
Change-Id: Ie4cebcb777cff05c05882e645b9690fb48371b12
1 file changed