rtc: stm32: fix unnecessary parentheses

Fix a few style issues reported by checkpatch.pl:
- Unnecessary parentheses
- Lines should not end with a '('
Signed-off-by: Valentin Caron <valentin.caron@foss.st.com>
Link: https://lore.kernel.org/r/20230705174357.353616-8-valentin.caron@foss.st.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-stm32.c

@@ -163,9 +163,8 @@ static int stm32_rtc_enter_init_mode(struct stm32_rtc *rtc)
 		 * slowest rtc_ck frequency may be 32kHz and highest should be
 		 * 1MHz, we poll every 10 us with a timeout of 100ms.
 		 */
-		return readl_relaxed_poll_timeout_atomic(
-					rtc->base + regs->isr,
-					isr, (isr & STM32_RTC_ISR_INITF),
+		return readl_relaxed_poll_timeout_atomic(rtc->base + regs->isr, isr,
+							 (isr & STM32_RTC_ISR_INITF),
 							 10, 100000);
 	}
 
@@ -671,7 +670,7 @@ static int stm32_rtc_init(struct platform_device *pdev,
 	 * Can't find a 1Hz, so give priority to RTC power consumption
 	 * by choosing the higher possible value for prediv_a
 	 */
-	if ((pred_s > pred_s_max) || (pred_a > pred_a_max)) {
+	if (pred_s > pred_s_max || pred_a > pred_a_max) {
 		pred_a = pred_a_max;
 		pred_s = (rate / (pred_a + 1)) - 1;