examples/l3fwd-power: fix empty poll thresholds

Fix assignment errors of ep_hgh_edpi in function parse_ep_config.

Fixes: a137d01 ("examples/l3fwd-power: support traffic pattern aware control")
Cc: stable@dpdk.org

Signed-off-by: Hongbo Zheng <zhenghongbo3@huawei.com>
Signed-off-by: Min Hu (Connor) <humin29@huawei.com>
Reviewed-by: Reshma Pattan <reshma.pattan@gmail.com>
Acked-by: David Hunt <david.hunt@intel.com>

examples/l3fwd-power/main.c

@@ -1748,7 +1748,7 @@ parse_ep_config(const char *q_arg)
 	int hgh_edpi;
 
 	ep_med_edpi = EMPTY_POLL_MED_THRESHOLD;
-	ep_hgh_edpi = EMPTY_POLL_MED_THRESHOLD;
+	ep_hgh_edpi = EMPTY_POLL_HGH_THRESHOLD;
 
 	strlcpy(s, p, sizeof(s));
 
@@ -1771,7 +1771,7 @@ parse_ep_config(const char *q_arg)
 		if (med_edpi > 0)
 			ep_med_edpi = med_edpi;
 
-		if (med_edpi > 0)
+		if (hgh_edpi > 0)
 			ep_hgh_edpi = hgh_edpi;
 
 	} else {