Patch merged into coreboot/master: 708be1a mainboard/jetway/nf81-t56n-lf: Improve diags in romstage

the following patch was just integrated into master:
commit 708be1a45356b33eaf5f287e529a99fb856736af
Author: Edward O'Callaghan 
Date:   Sun Apr 6 12:34:56 2014 +1000

mainboard/jetway/nf81-t56n-lf: Improve diags in romstage

romstage reports a completely unintelligible printf of "error level:",
    fix this and document meaning of the return values in source.

Change-Id: Ia2fb9a6206e08822f6c2f62b69bf22cdae2ba819
    Signed-off-by: Edward O'Callaghan 
    Reviewed-on: http://review.coreboot.org/5465
    Tested-by: build bot (Jenkins)
    Reviewed-by: Patrick Georgi

See http://review.coreboot.org/5465 for details.

-gerrit