clocksource/drivers/timer-milbeaut: Fix to enable one-shot timer

Fix mlb_set_oneshot_state() to enable one-shot timer.
The function should stop and start a timer, but "start" statement was
dropped. Kick the register to start one-shot timer.

Fixes: b58f28f3 ("clocksource/drivers/timer-milbeaut: Introduce timer for Milbeaut SoCs")
Signed-off-by: Sugaya Taichi <sugaya.taichi@socionext.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>

drivers/clocksource/timer-milbeaut.c

@@ -79,6 +79,8 @@ static int mlb_set_state_oneshot(struct clock_event_device *clk)
 	struct timer_of *to = to_timer_of(clk);
 	u32 val = MLB_TMR_TMCSR_CSL_DIV2;
 
+	writel_relaxed(val, timer_of_base(to) + MLB_TMR_EVT_TMCSR_OFS);
+	val |= MLB_TMR_TMCSR_CNTE | MLB_TMR_TMCSR_TRG | MLB_TMR_TMCSR_INTE;
 	writel_relaxed(val, timer_of_base(to) + MLB_TMR_EVT_TMCSR_OFS);
 	return 0;
 }