imx6: aristainetos: add aristainetos 2b csl

add aristainetso board version CSL.

Signed-off-by: Heiko Schocher <hs@denx.de>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index 9d3fc77..fb2e1d3 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -580,6 +580,8 @@
 	imx6dl-aristainetos2_7.dtb \
 	imx6dl-aristainetos2b_4.dtb \
 	imx6dl-aristainetos2b_7.dtb \
+	imx6dl-aristainetos2b_csl_4.dtb \
+	imx6dl-aristainetos2b_csl_7.dtb \
 	imx6dl-brppt2.dtb \
 	imx6dl-dhcom-pdk2.dtb \
 	imx6dl-icore.dtb \