Squelch some warnings from Kconfig

Overriding global config entries in mainboard directory Kconfig
files often raise unnecessary warnings. Squelch some of those.

Change-Id: Ib5127672ae068670028aa25c8ccb5366277622f2
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5699
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>

0 files changed, 0 insertions, 0 deletions