drivers/pc80/rtc/mc146818rtc.c: Reset RTC time on RTC power failure

RTC time contains invalid values on system without RTC battery.
Handle 'invalid' the same way as 'cmos_invalid'. This will reset CMOS date
when calling function enables 'invalid'.

BUG=N/A
TEST=Portwell PQ-M107 booting Linux Embedded

Change-Id: I5eae57d00f328400a8b03c28b7ecdbbc71522206
Signed-off-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/29329
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>

0 files changed, 0 insertions, 0 deletions