Migrate DH picoITX device trees from Linux commit 42226c989789 (tag v5.18-rc7). No changes have been made, the DTs are exact copies. Furthermore add the DTB to dh_imx6_defconfig. Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Philip Oberfichtner <pro@denx.de>