Tools: hv: Support enumeration from all the pools

Tools: hv: Support enumeration from all the pools

We have only supported enumeration only from the AUTO pool. Now support
enumeration from all the available pools.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit adc80ae60eae24a43a357bf5b30fb496f34aa605)

Signed-off-by: Andy Whitcroft <apw@canonical.com>