net: sched: fix misspellings using misspell-fixer tool

Some typos are found out by misspell-fixer tool:

$ misspell-fixer -rnv ./net/sched/
./net/sched/act_api.c:686
./net/sched/act_bpf.c:68
./net/sched/cls_rsvp.h:241
./net/sched/em_cmp.c:44
./net/sched/sch_pie.c:408

Fix typos found by misspell-fixer.

Signed-off-by: Menglong Dong <[e-mail]>
Acked-by: John Fastabend <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jakub Kicinski <[e-mail]>

net/sched/act_api.c

···
 	return res;
 }
 
-/*TCA_ACT_MAX_PRIO is 32, there count upto 32 */
+/*TCA_ACT_MAX_PRIO is 32, there count up to 32 */
 #define TCA_ACT_MAX_PRIO_MASK 0x1FF
 int tcf_action_exec(struct sk_buff *skb, struct tc_action **actions,
 		    int nr_actions, struct tcf_result *res)

net/sched/act_bpf.c

···
 	 * In case a different well-known TC_ACT opcode has been
 	 * returned, it will overwrite the default one.
 	 *
-	 * For everything else that is unkown, TC_ACT_UNSPEC is
+	 * For everything else that is unknown, TC_ACT_UNSPEC is
 	 * returned.
 	 */
 	switch (filter_res) {

net/sched/cls_rsvp.h

···
 		}
 	}
 
-	/* Something went wrong if we are trying to replace a non-existant
+	/* Something went wrong if we are trying to replace a non-existent
 	 * node. Mind as well halt instead of silently failing.
 	 */
 	BUG_ON(1);

net/sched/em_cmp.c

···
 		break;
 
 	case TCF_EM_ALIGN_U32:
-		/* Worth checking boundries? The branching seems
+		/* Worth checking boundaries? The branching seems
 		 * to get worse. Visit again.
 		 */
 		val = get_unaligned_be32(ptr);

net/sched/sch_pie.c

···
 	/* We restart the measurement cycle if the following conditions are met
 	 * 1. If the delay has been low for 2 consecutive Tupdate periods
 	 * 2. Calculated drop probability is zero
-	 * 3. If average dq_rate_estimator is enabled, we have atleast one
+	 * 3. If average dq_rate_estimator is enabled, we have at least one
 	 *    estimate for the avg_dq_rate ie., is a non-zero value
 	 */
 	if ((vars->qdelay < params->target / 2) &&