build(fvp): enlarge ram size to pass CI

The spm-l2-boot-tests with fvp-spm-tbb build config fails after
a code refactor patch, the BL2 image exceeds the memory region.

Enlarge the size with the parameter FVP_TRUSTED_SRAM_SIZE=384.

Change-Id: I221a4d1686280ba90b94107edf2e2fd08a46c9ea
Signed-off-by: Abhi Singh <abhi.singh@arm.com>
1 file changed