[PATCH] libpayload: Add multiboot support

[PATCH] libpayload:  Add multiboot support

Make libpayload applications multiboot compatible.  Add the
multiboot OS table and grok the loader table, especially the
memory map and the command line.  This makes libpayload
applications loadable by GRUB.

Signed-off-by: Jordan Crouse <jordan.crouse@amd.com>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@3673 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1