Add information about CPU Governors in javacore

[bharathappali]

Issue or pull request number:
Issue : #2838
PR : #3348

Overview:
CPU Governors in linux might be useful to be added in javacore as this is helpful to user while debugging the issues related to cpu performance basing on this information

These lines are added after CPU Information to get the CPU Governor Details

1CICPUGINF     CPU Governor Information
NULL           ------------------------------------------------------------------------
2CICPUGPOWS    CPUS with Powersave Governor : /* list the cpus which have Powersave governor */
2CICPUGPERF    CPUS with Performance Governor : /* list the cpus which have Performance governor */
2CICPUGURSP    CPUS with User Space Governor : /* list the cpus which have User Space governor */
2CICPUGONDM    CPUS with On Demand Governor : /* list the cpus which have On Demand governor */
2CICPUGCONS    CPUS with Conservative Governor : /* list the cpus which have Conservative governor */
2CICPUGSCUT    CPUS with Sched Util Governor : /* list the cpus which have Sched Util governor */

Applies to the following JDK versions:
8 and later

Applies to the following platforms:
All Linux Platforms

[SueChaplain]

@bharathappali - this issue is very old now and presumably you would need to rebase and resubmit your openj9 changes that relate to this doc item. I propose to close this issue. Please indicate if you have any concerns within 7 days.