x86, hyperv: Mark the Hyper-V clocksource as being continuous

The Hyper-V clocksource is continuous; mark it accordingly.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Acked-by:  <jasowang@redhat.com>
Cc: gregkh@linuxfoundation.org
Cc: devel@linuxdriverproject.org
Cc: olaf@aepfle.de
Cc: apw@canonical.com
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1421108762-3331-1-git-send-email-kys@microsoft.com


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>