fix: increase TSRAM of `fvp-tbb-mbedtls-ext-pstate-tspd-tsp-dram`

This job fails when all of the original FVP architectural feature
support options are restored.

Signed-off-by: Chris Kay <chris.kay@arm.com>
Change-Id: I1c2dc27a9edf44171b4dc235f6d6eff56dc4a3e0
diff --git a/tf_config/fvp-tbb-mbedtls-ext-pstate-tspd-tsp-dram b/tf_config/fvp-tbb-mbedtls-ext-pstate-tspd-tsp-dram
index 48e52a9..e3fb295 100644
--- a/tf_config/fvp-tbb-mbedtls-ext-pstate-tspd-tsp-dram
+++ b/tf_config/fvp-tbb-mbedtls-ext-pstate-tspd-tsp-dram
@@ -2,6 +2,7 @@
 ARM_ROTPK_LOCATION=devel_rsa
 ARM_TSP_RAM_LOCATION=dram
 CROSS_COMPILE=aarch64-none-elf-
+FVP_TRUSTED_SRAM_SIZE=384
 GENERATE_COT=1
 PLAT=fvp
 PSCI_EXTENDED_STATE_ID=1