nft-qos: Update init script

This replaces the use of uci_validate_section() with
uci_load_validate(), which removes the need to declare local variables
for every config option.

This also adds a validate section to service_triggers(), and fixes some
variable name typos in qosdef_init_static().

Signed-off-by: Jeffery To <jeffery.to@gmail.com>

net/nft-qos/files/nft-qos-dynamic.hotplug

@@ -11,13 +11,7 @@ export initscript="nft-qos-dynamic"
 
 NFT_QOS_DYNAMIC_ON=
 
-qosdef_validate_section_dynamic() {
-	local limit_enable limit_type
-
-	uci_validate_section nft-qos default default \
-		'limit_enable:bool:0' \
-		'limit_type:maxlength(8)'
-
+qosdef_check_if_dynamic() {
 	[ $limit_enable -eq 1 -a \
 	  "$limit_type" = "dynamic" ] && \
 	    NFT_QOS_DYNAMIC_ON="y"
@@ -28,14 +22,14 @@ logger -t nft-qos-dynamic "ACTION=$ACTION, MACADDR=$MACADDR, IPADDR=$IPADDR, HOS
 
 case "$ACTION" in
 	add | update | remove)
-		qosdef_validate_section_dynamic
+		qosdef_validate_dynamic default qosdef_check_if_dynamic
 		[ -z "$NFT_QOS_DYNAMIC_ON" ] && return
 
 		qosdef_init_env
 		qosdef_flush_dynamic
 
 		qosdef_init_header
-		qosdef_init_dynamic
+		qosdef_validate_dynamic default qosdef_init_dynamic
 		qosdef_init_done
 		qosdef_start
 		;;