drivers:hv: Use new vmbus_mmio_free() from client drivers

drivers:hv: Use new vmbus_mmio_free() from client drivers

This patch modifies all the callers of vmbus_mmio_allocate()
to call vmbus_mmio_free() instead of release_mem_region().

Signed-off-by: Jake Oshins <jakeo@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Orabug: 25507635
(cherry picked from commit 696ca5e82c057a272381ae6064d59eb97a578397)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Signed-off-by: Dhaval Giani <dhaval.giani@oracle.com>