imx: imx8mm-beacon: Remove relocation restrictions

The system is capable of relocating RAM disks and the kernel.
Remove these restrictions to prevent it.

Signed-off-by: Adam Ford <aford173@gmail.com>

include/configs/imx8mm_beacon.h

@@ -36,11 +36,9 @@
 	"image=Image\0" \
 	"console=ttymxc1,115200\0" \
 	"fdt_addr=0x43000000\0"			\
-	"fdt_high=0xffffffffffffffff\0"		\
 	"boot_fit=try\0" \
 	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
 	"initrd_addr=0x43800000\0"		\
-	"initrd_high=0xffffffffffffffff\0" \
 	"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \
 	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
 	"finduuid=part uuid mmc ${mmcdev}:2 uuid\0" \