dts: release memory of the reserved 1MB [2/2]

dts: release memory of the reserved 1MB [2/2]

PD#SWPL-2372

Problem:
phy addr (0 - 0x100000) is reserved before. once it is release for system use.
it will be polluted by video decoder (avs2 & vp9)

Solution:
init hw addr (not 0) in decoder to avoid 0 address polluted.
then release reserved 1MB memory space in dts

Verify:
U212

Change-Id: I36f6caa09267ab1180ff12cfed9b9c7befff2842
Signed-off-by: Hui Zhang <hui.zhang@amlogic.com>