configs: am43xx_evm: Enable SPL_DM

Enable SPL_DM on all AM43xx based platforms

Reviewed-by: Tom Rini <trini@konsulko.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
6 files changed