CI: Fix TF fvp-tbb-mbedtls-cot-in-dtb configuration

This patch fixes BL2 build error
`xlat_table' will not fit in region `RAM'
for TF fvp-tbb-mbedtls-cot-in-dtb configuration by
adding USE_ROMLIB=1 option and renaming
fvp-tbb-mbedtls-cot-in-dtb to
fvp-tbb-mbedtls-romlib-cot-in-dtb

Signed-off-by: Alexei Fedorov <Alexei.Fedorov@arm.com>
Change-Id: I5ed598d9cd01457d5c14146b91fe00b2222cf8d1
2 files changed