[coreboot-gerrit] Patch merged into coreboot/master: buildgcc: Be less restrictive when trying to build GNAT

the following patch was just integrated into master:
commit 26267a7a41312c3160604766d17f361dc80c2a52
Author: Nico Huber 
Date:   Sun Dec 4 02:45:58 2016 +0100

buildgcc: Be less restrictive when trying to build GNAT

It turned out that newer GNAT versions can build our current (5.3.0)
    GNAT without bootstrapping. So adapt the version enforcement.

Change-Id: Ie7189e8bcadeee56cf5c2172e8c0ae7cd534685a
    Signed-off-by: Nico Huber 
    Reviewed-on: https://review.coreboot.org/17706
    Tested-by: build bot (Jenkins)
    Reviewed-by: Stefan Reinauer 
    Reviewed-by: Paul Menzel

See https://review.coreboot.org/17706 for details.

-gerrit