staging: wlan-ng: fix coding style issues in p80211netdev.h

Fix two issues with parameters not aligned to opening parenthesis, as
reported by checkpatch. File is now clean for checkpatch.

Signed-off-by: Tim Collier <osdevtc@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>