AGESA vendorcode: Suppress maybe-uninitialized warnings

Compiling libagesa with -O2 would throws error on these.

Change-Id: I04afa42f0ac76677f859ca72f9df2e128762ad3c
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/14413
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
6 files changed