Added configure security instruction

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11922 110e8d01-0319-4d1e-a829-52ad28d1bb01

os/hal/ports/SAMA/LLD/RTCv1/hal_rtc_lld.c

@@ -328,6 +328,10 @@ struct RTCDriverVMT _rtc_lld_vmt = {
  */
 void rtc_lld_init(void) {
 
+#if SAMA_HAL_IS_SECURE
+  mtxConfigPeriphSecurity(MATRIX1, ID_SYSC, SECURE_PER);
+#endif
+
   /* RTC object initialization.*/
   rtcObjectInit(&RTCD0);