Revert "nshlib: Move BOARDIOC_FINALINIT into nsh_initscript"

This reverts commit ac5632fc50.

nshlib/nsh_usbconsole.c

@@ -326,6 +326,12 @@ int nsh_consolemain(int argc, FAR char *argv[])
   netinit_bringup();
 #endif
 
+#if defined(CONFIG_NSH_ARCHINIT) && defined(CONFIG_BOARDCTL_FINALINIT)
+  /* Perform architecture-specific final-initialization (if configured) */
+
+  boardctl(BOARDIOC_FINALINIT, 0);
+#endif
+
   /* Now loop, executing creating a session for each USB connection */
 
   for (; ; )