Make set_boot_successful depend on PC80_SYSTEM

Set_boot_successful depends on CMOS parts that non-PC80
platforms do not have. For now, make the current path
depend on CONFIG_PC80_SYSTEM, and make the alternative
empty.

Signed-off-by: Ronald G. Minnich <rminnich@gmail.com>
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Change-Id: I68cf63367c8054d09a7a22303e7c04fb35ad0153
Reviewed-on: http://review.coreboot.org/1954
Tested-by: build bot (Jenkins)
Reviewed-by: David Hendricks <dhendrix@chromium.org>
2 files changed