RFR(S) 8134119: Use new API to get cache line sizes

[Igor Veresov]

The adds support of the new Solaris 12 API that lets us avoid using libkstat and libpicl to determine the CPU type and cache line sizes.

Webrev: http://cr.openjdk.java.net/~iveresov/8134119/webrev.00/ <http://cr.openjdk.java.net/~iveresov/8134119/webrev.00/>

Thanks,
igor
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