clocksource/drivers/vf-pit: Convert raw values to BIT macros
Use the BIT macros instead of the shifting syntax.
No functional change intended.
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20250804152344.1109310-9-daniel.lezcano@linaro.org