Rename trace_printf to ts_trace_printf

trace_printf is a generic name, but is a public API of libts.
A TS specific name could help avoiding errors in the future.

Change-Id: Ic89621581ea92045435ed1b71ea0748299f56f48
Signed-off-by: Gabor Toth <gabor.toth2@arm.com>
diff --git a/environments/sp/sp_assert.c b/environments/sp/sp_assert.c
index 69f7b74..8690c8a 100644
--- a/environments/sp/sp_assert.c
+++ b/environments/sp/sp_assert.c
@@ -13,7 +13,7 @@
 				const char *failedexpr)
 {
 #if TRACE_LEVEL >= TRACE_LEVEL_ERROR
-	trace_printf(func, line, TRACE_LEVEL_ERROR, "assertion %s failed", failedexpr);
+	ts_trace_printf(func, line, TRACE_LEVEL_ERROR, "assertion %s failed", failedexpr);
 #endif /* TRACE_LEVEL */
 
 	while (1)