CONFIG_OF_HAS_BD_T will put a copy of the bd_t into the resulting flat device tree. CONFIG_OF_HAS_UBOOT_ENV will copy the environment variables from u-boot into the flat device tree Patch by Kumar Gala 11 Jan 2006
Patch by Pantelis Antoniou, 04 Sep 2005
Patch by Dan Malek and Pantelis Antoniou, 15 Aug 2005