pxe: support "devicetree" tag
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>
diff --git a/common/cmd_pxe.c b/common/cmd_pxe.c
index c27ec35..4f00b1a 100644
--- a/common/cmd_pxe.c
+++ b/common/cmd_pxe.c
@@ -745,6 +745,7 @@
{"append", T_APPEND},
{"initrd", T_INITRD},
{"include", T_INCLUDE},
+ {"devicetree", T_FDT},
{"fdt", T_FDT},
{"ontimeout", T_ONTIMEOUT,},
{"ipappend", T_IPAPPEND,},