Add comment about MachinePool MinReadySeconds behaviour

Signed-off-by: killianmuldoon <[email protected]>

Author: killianmuldoon

config/crd/bases/cluster.x-k8s.io_machinepools.yaml

@@ -49,6 +49,7 @@ type MachinePoolSpec struct {
 	// be ready.
 	// Defaults to 0 (machine instance will be considered available as soon as it
 	// is ready)
+	// NOTE: No logic is implemented for this field and it currently has no behaviour.
 	// +optional
 	MinReadySeconds *int32 `json:"minReadySeconds,omitempty"`