Drivers: hv: utils: unify driver registration reporting

Drivers: hv: utils: unify driver registration reporting

Unify driver registration reporting and move it to debug level as normally daemons write to syslog themselves
and these kernel messages are useless.

Signed-off-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Tested-by: Alex Ng <alexng@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Orabug: 27426063
(cherry picked from commit 7c959127581d420ec692344ee905504fdeecec1a)
Signed-off-by: Jack Vogel <jack.vogel@oracle.com>
Reviewed-by: Ashok Vairavan <ashok.vairavan@oracle.com>