Bugfix/codeql initial fixes (#195)

* Fix to BVLC6 bounds checking

* Convert MSTP capture to use datetime library

* Convert timesync app to use datetime and mstimer library

* fix workflow per warning

* fix BSD mstimer init function name

Co-authored-by: Steve Karg <skarg@users.sourceforge.net>

ports/bsd/mstimer-init.c

@@ -84,7 +84,7 @@ unsigned long mstimer_now(void)
 /**
  * @brief Initialization for timer
  */
-void timer_init(void)
+void mstimer_init(void)
 {
 #ifdef __MACH__
     clock_serv_t cclock;