x86/cpu/tme: Fix spelling: "configuation" -> "configuration"

Trivial fix to spelling mistake in the pr_err_once() error message text.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: kernel-janitors@vger.kernel.org
Link: http://lkml.kernel.org/r/20180313154709.1015-1-colin.king@canonical.com


Signed-off-by: Ingo Molnar <mingo@kernel.org>