adi: 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.

Tested-by: Greg Malysa <malysagreg@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>

include/env/adi/adi_boot.env

@@ -20,10 +20,8 @@ ethaddr=02:80:ad:20:31:e8
 eth1addr=02:80:ad:20:31:e9
 uart_console=CONFIG_UART_CONSOLE
 #ifdef CONFIG_SC59X_64
-fdt_high=0xffffffffffffffff
 initrd_high=0xffffffffffffffff
 #else
-fdt_high=0xffffffff
 initrd_high=0xffffffff
 #endif