qcacld-3.0: Change max value for SET_KEEP_ALIVE_INTERVAL_LEGACY command

Change maximum value for SET_KEEP_ALIVE_INTERVAL_LEGACY command
to 255 as per new requirement.

Change-Id: Icfb7ec4700131685eb17feba4bf68e82bb2b6316
CRs-Fixed: 3830310

core/hdd/src/wlan_hdd_cfg80211.c

@@ -11769,7 +11769,7 @@ hdd_set_coex_traffic_shaping_mode(struct wlan_hdd_link_info *link_info,
 	return ret;
 }
 
-#define STA_KEEPALIVE_INTERVAL_MAX 60
+#define STA_KEEPALIVE_INTERVAL_MAX 255
 #define STA_KEEPALIVE_INTERVAL_MIN 5
 
 int hdd_vdev_send_sta_keep_alive_interval(