uboot-omap3 appears to be fairly stale (last commit in April 2010) while
the upstream u-boot is making regular tagged releases. Add a new recipe
using the upstream u-boot repository.
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
CC: Tom Zanussi <tom.zanussi@intel.com>
CC: Bruce Ashfield <bruce.ashfield@windriver.com>