Enable data cache as well.

c/src/lib/libbsp/m68k/idp/startup/bspstart.c

@@ -91,6 +91,7 @@ void bsp_start( void )
   m68k_set_vbr( &M68Kvec );
 
   rtems_cache_enable_instruction();
+  rtems_cache_enable_data();
 
   /*
    *  we only use a hook to get the C library initialized.

c/src/lib/libbsp/m68k/mvme147/startup/bspstart.c

@@ -80,6 +80,7 @@ void bsp_start( void )
       /* make VME access round-robin */
 
   rtems_cache_enable_instruction();
+  rtems_cache_enable_data();
 
   /*
    *  we only use a hook to get the C library initialized.

c/src/lib/libbsp/m68k/mvme147s/startup/bspstart.c

@@ -140,6 +140,7 @@ void bsp_start( void )
   /* Disable D32 transfers : they don't work on my VMEbus rack */
 
   rtems_cache_enable_instruction();
+  rtems_cache_enable_data();
 
   /*
    *  we only use a hook to get the C library initialized.