Adds standardized variables, fdtfile, fdt_addr_r, ramdisk_addr_r and
kernel_addr_r.
Gbp-Pq: Topic wandboard
Gbp-Pq: Name wandboard-standardized-variables
"fdt_high=0xffffffff\0" \
"initrd_high=0xffffffff\0" \
"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+ "fdtfile=" CONFIG_DEFAULT_FDT_FILE "\0" \
"fdt_addr=0x18000000\0" \
+ "fdt_addr_r=0x18000000\0" \
+ "ramdiskaddr=0x13000000\0" \
+ "ramdisk_addr_r=0x13000000\0" \
+ "kernel_addr_r=" __stringify(CONFIG_LOADADDR) "\0" \
"boot_fdt=try\0" \
"ip_dyn=yes\0" \
"mmcdev=" __stringify(CONFIG_SYS_MMC_ENV_DEV) "\0" \