Update README

Author: kkhandelwal-nr

charts/nr-ebpf-agent/README.md

@@ -168,6 +168,7 @@ Options that can be defined globally include `affinity`, `nodeSelector`, `tolera
 | protocols.redis.spans.samplingLatency | string | `""` |  |
 | stirlingSources | string | `"socket_tracer,tcp_stats"` | The source connectors (and data export scripts) to enable. Note that socket_tracer tracks http, mysql, redis, mongodb, amqp, cassandra, dns, and postgresql while tcp_stats tracks TCP metrics. |
 | tableStoreDataLimitMB | string | `"250"` | The primary lever to control RAM use of the eBPF agent. Specified in MiB. |
+| tolerations | list | `[]` | Sets all pods' tolerations to node taints. Can be configured also with `global.tolerations` |
 
 ## Common Errors