NAN: Fix compilation issue for dw awake interval

Compilation fails for NAN_MAX_ALLOWED_DW_AWAKE_INTERVAL as
it is only defined in the latest NAN cert version.

Add a check to compile the dw awake interval only with the correct NAN
cert version.

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