chore: cleanup

Author: mikesmitty

src/machine/machine_rp2_timer.go

@@ -104,9 +104,9 @@ func (tmr *timerType) lightSleep(us uint64) {
 
 // setDbgPause sets whether this timer is paused when a debugger is connected.
 func (tmr *timerType) setDbgPause(enable bool) {
-	const bitPosCore0 = 1
+	const bitPos = 1
 	const bitMask = 0b11
-	var val uint32
+	val := uint32(0b00)
 	if enable {
 		val = 0b11
 	}