AGESA: Fix OptionsIds.h include

Fix regression of IDS debugging after commit

  1210026 AGESA buildsystem: Reduce include path exposure

Mainboard directory was removed from libagesa includes
path here, and this resulted with fam15tn and fam16kb using
a template OptionsIds.h file under vendorcode/ instead.

Add mainboard directory back to include path of libagesa
and remove those (empty) template files.

Change-Id: Iee4341a527b4c152269565cac85e52db44503ea6
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/21661
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
14 files changed