Fixing compiler warnings

Adjusting toolchain files which compiler warnings to enable.

Fixing compiler warnings reported by Arm Clang and Arm GCC.

Change-Id: I715e875904ffd7ecfe994d3093cdf066373981b1
diff --git a/applications/trustzone_inference/secure/main_secure.cpp b/applications/trustzone_inference/secure/main_secure.cpp
index df22929..984f19a 100644
--- a/applications/trustzone_inference/secure/main_secure.cpp
+++ b/applications/trustzone_inference/secure/main_secure.cpp
@@ -87,7 +87,7 @@
     const struct mpc_sie_dev_cfg_t mpc_dev_cfg = {SRAM0_MPC};
 
     /* MPC device data */
-    struct mpc_sie_dev_data_t mpc_dev_data = {0};
+    struct mpc_sie_dev_data_t mpc_dev_data = {};
 
     /* MPC device itself */
     struct mpc_sie_dev_t mpc_dev = {&mpc_dev_cfg, &mpc_dev_data};
@@ -154,7 +154,7 @@
     const struct mpc_sie_dev_cfg_t mpc_dev_cfg = {BRAM_MPC};
 
     /* MPC device data */
-    struct mpc_sie_dev_data_t mpc_dev_data = {0};
+    struct mpc_sie_dev_data_t mpc_dev_data = {};
 
     /* MPC device itself */
     struct mpc_sie_dev_t mpc_dev = {&mpc_dev_cfg, &mpc_dev_data};