bsps: Move libchip to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

bsps/shared/dev/rtc/rtcprobe.c

@@ -0,0 +1,21 @@
+/*
+ *  This file contains the default Real-Time Clock probe routine.
+ *
+ *  COPYRIGHT (c) 1989-1999.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  The license and distribution terms for this file may be
+ *  found in the file LICENSE in this distribution or at
+ *  http://www.rtems.org/license/LICENSE.
+ */
+
+#include <rtems.h>
+#include <libchip/rtc.h>
+
+
+bool rtc_probe(
+  int minor
+)
+{
+  return true;
+}