Update function messages to be more portable by using the __func__ compiler command instead of hard coded function names. Change-Id: Ib8ab97666340a9481f3ab71f0f347382e964994f Signed-off-by: Mike Loptien <mike.loptien@se-eng.com> Reviewed-on: http://review.coreboot.org/2251 Tested-by: build bot (Jenkins) Reviewed-by: Marc Jones <marcj303@gmail.com>