ARM: dts: add initial Rex Pro board support

Get series with b4

b4 am [email protected]

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#	Subject and files	Size	Replies	Applied
1/2	ARM: dts: add initial Rex Pro board support`arch/arm/boot/dts/Makefile` `arch/arm/boot/dts/imx6q-rex-pro.dts` `arch/arm/boot/dts/imx6qdl-rex.dtsi`	+392 -0	1 reply
2/2	ARM: dts: add initial Rex Basic board support`arch/arm/boot/dts/Makefile` `arch/arm/boot/dts/imx6dl-rex-basic.dts`	+31 -0	0 replies

No Reviewed-by, Acked-by or Tested-by trailers for v1 yet.