ARM: imx: Introduce dts for i.MX6SX-SDB

Introduce dts from Kernel commit
commit 71ee203389f7cb1c("Merge tag 'scsi-fixes' of
git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi")

Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
index bbc4f47..19100c9 100644
--- a/arch/arm/dts/Makefile
+++ b/arch/arm/dts/Makefile
@@ -384,6 +384,7 @@
 	imx6q-icore-rqs.dtb \
 	imx6q-logicpd.dtb \
 	imx6sx-sabreauto.dtb \
+	imx6sx-sdb.dtb \
 	imx6ul-geam-kit.dtb \
 	imx6ul-isiot-emmc.dtb \
 	imx6ul-isiot-mmc.dtb \