[OAP-1752][docker] Fix a problem in K8S README for passing spark conf
[OAP-1752][docker] Fix a problem in K8S README for passing spark conf

Intel-bigdata/OAP,Intel-bigdata/OAP,Intel-bigdata/OAP,Intel-bigdata/OAP,Intel-bigdata/OAP,Intel-bigdata/OAP