rockchip: rv1126: Enable fdtoverlay support

Add fdtoverlay_addr_r and enable OF_LIBFDT_OVERLAY for the
use of DT overlay in RV1126.

Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2 files changed