K 10
svn:author
V 8
jhibbits
K 8
svn:date
V 27
2018-05-05T15:48:39.826154Z
K 7
svn:log
V 410
Break out the cpu_features setup to its own function, to be run earlier

The new POWER9 MMU configuration is slightly different from current setups.
Rather than special-casing on POWER9, move the initialization of cpu_features
and cpu_features2 to as early as possible, so that platform and MMU
configuration can be based upon CPU features instead of specific CPUs if at all
possible.

Reviewed by:	nwhitehorn

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