P2P: Add support for VHT 80+80 MHz and 160 MHz

P2P: Add support for VHT 80+80 MHz and 160 MHz

The new max_oper_chwidth and freq2 arguments to P2P_CONNECT, P2P_INVITE,
and P2P_GROUP_ADD control interface commands can be used to request
larger VHT operating channel bandwidth to be used than the previously
used maximum 80 MHz.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>