arm: mxs: Enable CONFIG_SYS_GENERIC_BOARD

Signed-off-by: Marek Vasut <marex@denx.de>
diff --git a/include/configs/mxs.h b/include/configs/mxs.h
index ba55177..8bce28f 100644
--- a/include/configs/mxs.h
+++ b/include/configs/mxs.h
@@ -40,6 +40,7 @@
 /*
  * CPU specifics
  */
+#define CONFIG_SYS_GENERIC_BOARD
 
 /* MXS uses FDT */
 #define CONFIG_OF_LIBFDT