staging: wfx: fix output of rx_stats on big endian hosts

The struct hif_rx_stats contains only little endian values. Thus, it is
necessary to fix byte ordering before to use them.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200512150414.267198-6-Jerome.Pouiller@silabs.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>