tc2: update build option

Incorporated an additional option for the TC2 build, taking
advantage of the availability of GPT. Several options have
been enabled to facilitate the utilization of architectural
features, ensuring that lower ELs can access these features.

Change-Id: Ife8580cd2387103fd4fe24869e2d7b80089b8153
Signed-off-by: Manish V Badarkhe <Manish.Badarkhe@arm.com>
diff --git a/tf_config/fvp-tc2-rotpk b/tf_config/fvp-tc2-rotpk
index 3ed20bd..c151c69 100644
--- a/tf_config/fvp-tc2-rotpk
+++ b/tf_config/fvp-tc2-rotpk
@@ -1,3 +1,4 @@
+ARM_GPT_SUPPORT=1
 ARM_ROTPK_LOCATION=devel_rsa
 CROSS_COMPILE=aarch64-none-elf-
 GENERATE_COT=1