board: ti: am62p|j722s: Add ti_set_fdt_env for fdtfile

stdboot and legacy boot depend on fdtfile. Since findfdt is getting
deprecated, move the rest of k3 platforms dependent on findfdt to
ti_set_fdt_env.

Populate fdtfile by calling ti_set_fdt_env in board files.

Signed-off-by: Manorit Chawdhry <m-chawdhry@ti.com>
2 files changed