linux-wandboard

MLK-16149 arm64: dts: imx8qm/qxp: Remove memory reserve entry for M4 and ATF

Since u-boot will process the owned memory in current partition and modify
the DTB memory nodes for kernel at runtime, no need to set the first 128MB memory
as "memreserve" in DTS.

ATF: 0x80000000 -- 0x801fffff.
 - This area will be cleaned out of available memory by u-boot.

M4:  0x88000000 -- 0x8fffffff.
 - A memory reserve entry will be added to DTB by u-boot.

Signed-off-by: Ye Li <ye.li@nxp.com>