bsps: Move MPCI support to bsps

This patch is a part of the BSP source reorganization.

Update #3285.

bsps/powerpc/psim/mpci/addrconv.c

@@ -0,0 +1,28 @@
+/*  Shm_Convert_address
+ *
+ *  No address range conversion is required.
+ *
+ *  Input parameters:
+ *    address - address to convert
+ *
+ *  Output parameters:
+ *    returns - converted address
+ *
+ *  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 <bsp.h>
+#include <shm_driver.h>
+
+void *Shm_Convert_address(
+  void *address
+)
+{
+  return ( address );
+}