rsi: miscellaneous changes for p2p mode

Add P2P_GO condition as well when handling BEACON_ENABLE
from mac80211. Also passing 'vif' for auto rate request.

Signed-off-by: Prameela Rani Garnepudi <prameela.j04cs@gmail.com>
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>