qosmngr: Fix ingress rate limiting on Broadcom.

The code for ingress rate limiting is not working
on Broadcom.

qosmngr/files/broadcom/lib/qos/qos.sh

@@ -15,6 +15,25 @@ SP_Q_PRIO=7
 cfg_name=""
 cfg_type=""
 
+get_port_number() {
+	[ -z "$1" ] && return
+	local ports="0 1 2 3 4 5 6 7 8"
+	local units="0 1"
+	local port="$1"
+	local prt
+	local ifname
+
+	for unit in $units; do
+		for prt in $ports; do
+			ifname="$(ethswctl getifname $unit $prt 2>/dev/null | awk '{print$NF}')"
+			if [ "$ifname" == "$port" ]; then
+				echo "$unit $prt"
+				return
+			fi
+		done
+	done
+}
+
 get_rate_per_queue() {
 	echo "0"
 }