staging: wlan-ng: renames hfa384x_CommTallies32 to avoid camelcase

Fixes a checkpatch warning by renaming the camelcased struct
hfa384x_CommTallies32 to hfa384x_comm_tallies_32.

Signed-off-by: Juliana Rodrigues <juliana.orod@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>