uboot-imx

arm: dts: Add all the imx6[q|qp|dl] sabre[auto|sd] u-boot dts[i] files

This allows us to keep the basic dts[i] files up-to-date with
the ones in kernel, but at the same time allowing the u-boot
to add its own properties to the existing nodes.

Signed-off-by: Abel Vesa <abel.vesa@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Lukasz Majewski <lukma@denx.de>