Some platforms do not have `timer_monotonic_get()` implemented. So only call `timer_monotonic_get()` if `CONFIG_HAVE_MONOTONIC_TIMER` is selected and set the times to 0 otherwise. Change-Id: If9cba4c0c17a7011aa357079d8fdd0aa47ad1b66 Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net> Reviewed-on: http://review.coreboot.org/12105 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@chromium.org>