K 10
svn:author
V 6
luporl
K 8
svn:date
V 27
2018-10-15T16:43:07.366640Z
K 7
svn:log
V 258
Initialize SPRG0 before its first possible use

At early boot, PCPU_GET(), that obtains a pointer from SPRG0, was being
used with SPRG0 not yet initialized. If it pointed to an invalid
address, the machine would hang.

Approved by:	re(gjb), jhibbits(mentor)

END