staging: wlan-ng: correct parameter alignment in hfa384x.h

Realign parameter in function declaration to fix checkpatch.pl warning
that parameter needed to be aligned with the opening parenthesis of
the declaration.
Signed-off-by: Tim Collier <osdevtc@gmail.com>
Link: https://lore.kernel.org/r/20191025084126.9181-4-osdevtc@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>