[qosorch] converting shaper bandwidth value to unsigned long instead …

…of int (#1167)

For higher shaper rates greater than 20Gbps, integer is not sufficient. So I changed the conversion function to stoul()

Signed-off-by: Sabareesh Kumar Anandan <sanandan@marvell.com>

orchagent/qosorch.cpp

@@ -816,25 +816,25 @@ task_process_status QosOrch::handleSchedulerTable(Consumer& consumer)
  else if (fvField(*i) == scheduler_min_bandwidth_rate_field_name)
  {
  attr.id = SAI_SCHEDULER_ATTR_MIN_BANDWIDTH_RATE;
- attr.value.u64 = (uint64_t)stoi(fvValue(*i));
+ attr.value.u64 = stoul(fvValue(*i));
  sai_attr_list.push_back(attr);
  }
  else if (fvField(*i) == scheduler_min_bandwidth_burst_rate_field_name)
  {
  attr.id = SAI_SCHEDULER_ATTR_MIN_BANDWIDTH_BURST_RATE;
- attr.value.u64 = (uint64_t)stoi(fvValue(*i));
+ attr.value.u64 = stoul(fvValue(*i));
  sai_attr_list.push_back(attr);
  }
  else if (fvField(*i) == scheduler_max_bandwidth_rate_field_name)
  {
  attr.id = SAI_SCHEDULER_ATTR_MAX_BANDWIDTH_RATE;
- attr.value.u64 = (uint64_t)stoi(fvValue(*i));
+ attr.value.u64 = stoul(fvValue(*i));
  sai_attr_list.push_back(attr);
  }
  else if (fvField(*i) == scheduler_max_bandwidth_burst_rate_field_name)
  {
  attr.id = SAI_SCHEDULER_ATTR_MAX_BANDWIDTH_BURST_RATE;
- attr.value.u64 = (uint64_t)stoi(fvValue(*i));
+ attr.value.u64 = stoul(fvValue(*i));
  sai_attr_list.push_back(attr);
  }
  else {