capricorn: Stop disabling device tree relocation

Remove setting of fdt_high to ~0, which disables device tree relocation,
from the default environment. Doing so prevents U-Boot from correcting
problems such as having an unaligned device tree and leads to various
failure modes in the OS.

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Reviewed-by: Heiko Schocher <hs@nabladev.com>

board/siemens/capricorn/capricorn_default.env

@@ -11,7 +11,6 @@ console=ttyLP2
 dtb_name_default=default
 ethprime=eth1
 fdt_addr=0x83000000
-fdt_high=0xffffffffffffffff
 flash_self=run mmc_boot
 flash_self_test=setenv testargs test loglevel=3 systemd.unit=test.target; run mmc_boot
 hostname=capricorn