update mvBL-M7 board config

update mvBL-M7 config file to use UBOOT_VERSION and define
CONFIG_HIGH_BATS.

Signed-off-by: Andre Schwarz <andre.schwarz@matrix-vision.de>
diff --git a/board/mvblm7/mvblm7.c b/board/mvblm7/mvblm7.c
index 69fd785..b07f913 100644
--- a/board/mvblm7/mvblm7.c
+++ b/board/mvblm7/mvblm7.c
@@ -90,7 +90,7 @@
 
 int checkboard(void)
 {
-	puts("Board: Matrix Vision mvBlueLYNX-M7 " MV_VERSION "\n");
+	puts("Board: Matrix Vision mvBlueLYNX-M7\n");
 
 	return 0;
 }