armv8: ls2080: Change env variable "fdt_high"

"fdt_high" env variable was set to 0xcfffffff for secure boot.
Change it to 0xa0000000 for LS2080 to be consistent with non-secure
boot targets.

Signed-off-by: Aneesh Bansal <aneesh.bansal@nxp.com>
Signed-off-by: Saksham Jain <saksham.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
1 file changed