plat/arm: Always define TSP memory region

Even though this is not used unless SPD=tspd, only defining it when
SPD_tspd is defined doesn't have any advantage and it makes it harder to
read the code.

Change-Id: I3d93135e05f39be071d16f8a47394a9a3ff54bc8
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/arm/css/sgm/sgm_mmap_config.c b/plat/arm/css/sgm/sgm_mmap_config.c
index 0f04109..6800ac3 100644
--- a/plat/arm/css/sgm/sgm_mmap_config.c
+++ b/plat/arm/css/sgm/sgm_mmap_config.c
@@ -39,7 +39,9 @@
 	CSS_MAP_GIC_DEVICE,
 	SOC_CSS_MAP_DEVICE,
 	ARM_MAP_NS_DRAM1,
+#ifdef SPD_tspd
 	ARM_MAP_TSP_SEC_MEM,
+#endif
 #ifdef SPD_opteed
 	ARM_OPTEE_PAGEABLE_LOAD_MEM,
 #endif