Profiler: Refine integration with TF-M

- Add NS profiling individual entry
- Do calibration in profiling cases
- Provide PROFILING_INIT() for secure side
- Rename TFM_PROF_PATH to TFM_PROFILING_PATH

Signed-off-by: Jianliang Shen <jianliang.shen@arm.com>
Change-Id: I3c1e6df1d968c1053c11f96bf764528a14a81297
diff --git a/profiling/export/prof_intf_s.h b/profiling/export/prof_intf_s.h
index 5720999..6dd445e 100644
--- a/profiling/export/prof_intf_s.h
+++ b/profiling/export/prof_intf_s.h
@@ -39,6 +39,11 @@
 #define PROF_DO_CALIBRATE(rounds)     prof_calibrate(                   \
         PROF_CALI_IDX_S, rounds, 0)
 
+/*
+ * Init profiling on secure side.
+ */
+#define PROFILING_INIT()              prof_init()
+
 /* Get the calibration value from the tag. */
 #define PROF_GET_CALI_VALUE_FROM_TAG(tag) prof_get_cali_value(          \
                                           PROF_GET_CALI_IDX_FROM_TAG(tag))