chore: factorize code

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

src/STM32RTC.cpp

@@ -851,16 +851,7 @@ void STM32RTC::setAlarmSubSeconds(uint32_t subSeconds, Alarm name)
 #ifndef RTC_ALARM_B
   UNUSED(name);
 #endif
-  if (_mode == MODE_BIN) {
-#ifdef RTC_ALARM_B
-    if (name == ALARM_B) {
-      _alarmBSubSeconds = subSeconds;
-    } else
-#endif
-    {
-      _alarmSubSeconds = subSeconds;
-    }
-  } else if (subSeconds < 1000) {
+  if ((_mode == MODE_BIN) || (subSeconds < 1000)) {
 #ifdef RTC_ALARM_B
     if (name == ALARM_B) {
       _alarmBSubSeconds = subSeconds;