conifgs: rk3506_tb.config: add CONFIG_OF_LIST

Change-Id: I9bf6e4ea14f6836e60bd0766aa98fe6026421576
Signed-off-by: ZiHan Huang <zack.huang@rock-chips.com>

configs: rk3506: add rk3506_tb.config

Change-Id: I5b909ad63745931675f82ce6052848e6ce421ca8
Signed-off-by: Zain Wang <wzz@rock-chips.com>