drivers: hv: kvp: Add/cleanup connector defines

drivers: hv: kvp: Add/cleanup connector defines

The current KVP code carries some private connector related defines.
Update connector.h to have all the KVP defines. As part of this patch
get rid of some unused defines.

Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
(cherry picked from commit 4f03a2c934894f30a64d397df8c7c4de129c5b30)

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