next-cube: don't use rtc phase value of -1

The rtc phase value of -1 is directly equivalent to using a phase value of 0 so
simplify the logic to use an initial rtc phase of 0.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
Reviewed-by: Thomas Huth <huth@tuxfamily.org>
Message-ID: <20241222130012.1013374-25-mark.cave-ayland@ilande.co.uk>
Signed-off-by: Thomas Huth <huth@tuxfamily.org>
1 file changed