This patch adds the top level dtsi for AM6254atl SiP which integrates the existing AM625 SoC with 512MiB of DDR in a single package. More information about the package can be found here: https://www.ti.com/lit/ds/symlink/am625sip.pdf Signed-off-by: Anshul Dalal <anshuld@ti.com> Reviewed-by: Bryan Brattlof <bb@ti.com> Link: https://patch.msgid.link/20250814134531.2743874-4-anshuld@ti.com Signed-off-by: Nishanth Menon <nm@ti.com> [ upstream commit: 7c1d13a14e61ab33eec330cb6cabbddb37eecaa9 ] (cherry picked from commit fa5a6a6e784bde78c6ec74eccd92d51fb9fd49e8)