-#if defined(CFG_RAMBOOT)
-#error CFG_LOWBOOT is incompatible with CFG_RAMBOOT
-#endif /* CFG_RAMBOOT */
+# if defined(CFG_RAMBOOT)
+# error CFG_LOWBOOT is incompatible with CFG_RAMBOOT
+# endif /* CFG_RAMBOOT */
+# if defined(CONFIG_MGT5100)
+# error CFG_LOWBOOT is incompatible with MGT5100
+# endif /* CONFIG_MGT5100 */