[cfg] Added comment about L1 and L2 caches and clock domain
[cfg] Added comment about L1 and L2 caches and clock domain

mit-carbon/Graphite,nkawahara/Graphite,mit-carbon/Graphite,mit-carbon/Graphite,victorisildur/Graphite,victorisildur/Graphite,victorisildur/Graphite,mit-carbon/Graphite,fhijaz/Graphite,fhijaz/Graphite,8l/Graphite,fhijaz/Graphite,8l/Graphite,nkawahara/Graphite,fhijaz/Graphite,nkawahara/Graphite,victorisildur/Graphite,8l/Graphite,nkawahara/Graphite,8l/Graphite