x86/platform/uv/BAU: Populate ->uvhub_version with UV4 version information

x86/platform/uv/BAU: Populate ->uvhub_version with UV4 version information

Orabug: 25477822

Signed-off-by: Andrew Banman <abanman@sgi.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Mike Travis <travis@sgi.com>
Acked-by: Dimitri Sivanich <sivanich@sgi.com>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: akpm@linux-foundation.org
Cc: rja@sgi.com
Link: http://lkml.kernel.org/r/1474474161-265604-8-git-send-email-abanman@sgi.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 58d4ab46f21e7e800a7597f271a23ec602796247)
Signed-off-by: Brian Maly <brian.maly@oracle.com>