imx6-engicam: 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>

include/configs/imx6-engicam.h

@@ -30,7 +30,6 @@
 	"splashimage=" __stringify(CONFIG_SYS_LOAD_ADDR) "\0" \
 	"image=uImage\0" \
 	"fit_image=fit.itb\0" \
-	"fdt_high=0xffffffff\0" \
 	"fdt_addr=" FDT_ADDR "\0" \
 	"boot_fdt=try\0" \
 	"mmcpart=1\0" \