RFR(S) 8076968: PICL based initialization of L2 cache line size on some SPARC systems is incorrect

[Igor Veresov]

The L2 data cache line size property can be name either "l2-cache-line-size” or “l2-dcache-line-size”. We have to try them both.

Webrev: http://cr.openjdk.java.net/~iveresov/8076968/webrev.00/

Thanks,
igor