K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2020-05-20T21:16:54.322457Z
K 7
svn:log
V 476
Print CPU informtion later in boot.

Match other architectures and print CPU information during
cpu_startup().  In particular, this prints the information after the
message buffer is initialized which allows it to be retrieved after
boot via dmesg(8).

While here, add some extern declarations to <machine/md_var.h> in
place of duplicated declarations in various source files.

Reviewed by:	brooks
Sponsored by:	DARPA
Differential Revision:	https://reviews.freebsd.org/D24936

END