Fix two typos in source code comments

- s/alocated/allocated/
- s/realocated/reallocated/

MFC after:	3 days

sys/dev/extres/clk/clk.c

@@ -1517,7 +1517,7 @@ clk_get_by_ofw_name(device_t dev, phandle_t cnode, const char *name, clk_t *clk)
 
 /*
  * Get "clock-output-names" and  (optional) "clock-indices" lists.
- * Both lists are alocated using M_OFWPROP specifier.
+ * Both lists are allocated using M_OFWPROP specifier.
  *
  * Returns number of items or 0.
  */

sys/dev/mlx4/mlx4_en/mlx4_en_rx.c

@@ -857,7 +857,7 @@ int mlx4_en_process_rx_cq(struct ifnet *dev, struct mlx4_en_cq *cq, int budget)
 	mlx4_cq_set_ci(mcq);
 	wmb(); /* ensure HW sees CQ consumer before we post new buffers */
 	ring->cons = mcq->cons_index;
-	ring->prod += polled; /* Polled descriptors were realocated in place */
+	ring->prod += polled; /* Polled descriptors were reallocated in place */
 	mlx4_en_update_rx_prod_db(ring);
 	return polled;