kconfig: add olddefconfig target to help

olddefconfig is used to expand the miniconfig files with all the default
values removed by the 'savedefconfig' target.

Change-Id: Ic9c62f4c334919e8be478d30099819b90891670a
Signed-off-by: Martin Roth <martinroth@google.com>
Reviewed-on: https://review.coreboot.org/15319
Tested-by: build bot (Jenkins)
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

0 files changed, 0 insertions, 0 deletions