Patch merged into coreboot/master: payloads: Move secondary payloads inside of a submenu

the following patch was just integrated into master:
commit 5ad9acaba667cd7e53bb654996967427f0afb4ba
Author: Martin Roth 
Date:   Mon Mar 7 19:21:45 2016 -0700

payloads: Move secondary payloads inside of a submenu

To keep the list of 'secondary' payloads from cluttering the payloads
    menu, move them into their own menu under the payloads menu.  Then they
    don't need any dependencies other than the architecture.

Change-Id: I95119750c6ef627ef0de9b5f5cbad085a51ac2bb
    Signed-off-by: Martin Roth 
    Reviewed-on: https://review.coreboot.org/13941
    Tested-by: build bot (Jenkins)
    Reviewed-by: Ben Gardner 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/13941 for details.

-gerrit