ath9k: Isolate P2P powersave routines

Use CONFIG_ATH9K_CHANNEL_CONTEXT to conditionally
compile P2P-PS code.

Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
5 files changed