Initial release for all PPC-4215-17-18 product kernels

Initial release with PPC-4215, PPC-4217 and PPC-4218 based on EMB-3200 board. Wiki reference kernel version.

Initial release for all HIO product kernels

Initial release with all HIO products to this point with individual dts, dtsi and defconfig. Wiki reference kernel version.

Need to rename .dtb file to imx6dl-hio.dtb for image.