New HardwareTimer for STM32 5.7.0 (#15655)

Marlin/src/HAL/HAL_SAMD51/timers.cpp

@@ -99,7 +99,7 @@ void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
   SYNC(tc->COUNT32.SYNCBUSY.bit.CTRLB);
 
   // Set compare value
-  tc->COUNT32.COUNT.reg = tc->COUNT32.CC[0].reg = HAL_TIMER_RATE / frequency;
+  tc->COUNT32.COUNT.reg = tc->COUNT32.CC[0].reg = (HAL_TIMER_RATE) / frequency;
 
   // And start timer
   tc->COUNT32.CTRLA.bit.ENABLE = true;