x86/tsc: Save an indentation level in recalibrate_cpu_khz()

x86/tsc: Save an indentation level in recalibrate_cpu_khz()

... by flipping the check.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1459837795-2588-5-git-send-email-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit eff4677e9fb9b680d1d5f6ba079116548d072b7e)

Orabug: 25948913

Signed-off-by: Ethan Zhao <ethan.zhao@oracle.com>
Reviewed-by: Shan Hai <shan.hai@oracle.com>
Conflicts:
	arch/x86/kernel/tsc.c