fix(coverity): increase FVP TSRAM where necessary

The configuration modified by this change requires a larger Trusted SRAM
than 256KB to build. This change this increases it to 384KB.

Change-Id: I4a1b768542584e38567ccb002f6258f0ef5de52d
Signed-off-by: Chris Kay <chris.kay@arm.com>
1 file changed