[config] fix config check helper messages (#4067)
[config] fix config check helper messages (#4067)

This commit updates helper error message in `core-config-check.h`
file and adds some of the missing changed config option. It also adds
a comment to indicate that error message is intended as a hint to
what the new configuration parameter name may be.
abtink/openthread,bukepo/openthread,jwhui/openthread,openthread/openthread,jwhui/openthread,librasungirl/openthread,jwhui/openthread,bukepo/openthread,turon/openthread,turon/openthread,lanyuwen/openthread,chshu/openthread,librasungirl/openthread,lanyuwen/openthread,chshu/openthread,bukepo/openthread,abtink/openthread,chshu/openthread,srickardti/openthread,lanyuwen/openthread,chshu/openthread,librasungirl/openthread,turon/openthread,chshu/openthread,bukepo/openthread,lanyuwen/openthread,abtink/openthread,lanyuwen/openthread,lanyuwen/openthread,turon/openthread,srickardti/openthread,chshu/openthread,abtink/openthread,openthread/openthread,openthread/openthread,srickardti/openthread,srickardti/openthread,jwhui/openthread,openthread/openthread,librasungirl/openthread