Revert "wcn36xx: remove leftovers from if combinations"

Now wcn36xx will support multiple interfaces

This reverts commit 01f76e42228729a5803a08c95bff1fb871403354.
Revert "wcn36xx: Support only one iface"

wcn36xx supports multiple interfaces.

This reverts commit 33dec35c839633d7e316c71541102cd6c8684c74.
add p2p2 support

Signed-off-by: Eugene Krasnikov <k.eugene.e@gmail.com>