Platform: Change the HAL prototype to report status

Change the return type of tfm_spm_hal_configure_default_isolation() from
"void" to "enum tfm_plat_err_t" to report errors to caller.

Change-Id: Iadfd82e546a5141f0db1624358f09111fd7530c1
Signed-off-by: Edison Ai <edison.ai@arm.com>
diff --git a/secure_fw/spm/spm_api_func.c b/secure_fw/spm/spm_api_func.c
index be71ec9..d855256 100644
--- a/secure_fw/spm/spm_api_func.c
+++ b/secure_fw/spm/spm_api_func.c
@@ -58,7 +58,10 @@
         platform_data_p = part->platform_data_list;
         if (platform_data_p != NULL) {
             while ((*platform_data_p) != NULL) {
-                tfm_spm_hal_configure_default_isolation(idx, *platform_data_p);
+                if (tfm_spm_hal_configure_default_isolation(idx,
+                            *platform_data_p) != TFM_PLAT_ERR_SUCCESS) {
+                    fail_cnt++;
+                }
                 ++platform_data_p;
             }
         }