The specification for extlinux.conf[1] states that "fdt" is an alias for
"devicetree". To date, U-Boot only implements "fdt". Rectify that.
[1] http://freedesktop.org/wiki/Specifications/BootLoaderSpec/
Signed-off-by: Stephen Warren <swarren@nvidia.com>
{"append", T_APPEND},
{"initrd", T_INITRD},
{"include", T_INCLUDE},
+ {"devicetree", T_FDT},
{"fdt", T_FDT},
{"ontimeout", T_ONTIMEOUT,},
{"ipappend", T_IPAPPEND,},