ls1021a: Set CONFIG_SYS_BOOTMAPSZ to the memory for relocation

This patch sets CONFIG_SYS_BOOTMAPSZ to the amount of memory available
to safely contain a kernel, device tree and initrd for relocation. The
way to set fdt_high as 0xffffffff to disable device tree relocation is
removed.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Priyanka Jain <priyanka.jain@nxp.com>
4 files changed