imx6: aristainetos: add aristainetos 2b csl

add aristainetso board version CSL.

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/board/aristainetos/aristainetos.c b/board/aristainetos/aristainetos.c
index ca61559..8809079 100644
--- a/board/aristainetos/aristainetos.c
+++ b/board/aristainetos/aristainetos.c
@@ -490,7 +490,9 @@
 			.vmode          = FB_VMODE_NONINTERLACED
 		}
 	}
-#if ((CONFIG_SYS_BOARD_VERSION == 2) || (CONFIG_SYS_BOARD_VERSION == 3))
+#if ((CONFIG_SYS_BOARD_VERSION == 2) || \
+	(CONFIG_SYS_BOARD_VERSION == 3) || \
+	(CONFIG_SYS_BOARD_VERSION == 4))
 	, {
 		.bus	= -1,
 		.addr	= 0,