ram: rockchip: Add rk3588 ddr driver support

Add ddr driver for rk3588 to get the ram capacity.

Co-developed-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Jagan Teki <jagan@edgeble.ai>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
2 files changed