dts:seco-mx6: Add device tree binaries for SantVend boards

List imx6dl-santvend-bat.dtb and imx6q-santvend.dtb in seco-mx6 machine

Signed-off-by: Mikhail Vanyulin <mikhail.vanyulin@rtsoft.de>

conf/machine/seco-mx6.conf

@@ -20,8 +20,10 @@ KERNEL_DEVICETREE ?= " \
     seconorth/imx6dl-santino-lt.dtb \
     seconorth/imx6dl-santino.dtb \
     seconorth/imx6dl-santoka.dtb \
+    seconorth/imx6dl-santvend-bat.dtb \
     seconorth/imx6q-santaro.dtb \
     seconorth/imx6q-santoka.dtb \
+    seconorth/imx6q-santvend.dtb \
     seconorth/imx6qp-santoka.dtb \
 "