mwifiex: add missing endian conversions

Fixes multiple locations where a little endian host is assumed during
ser/des of messages sent to/received from the chip.

Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --cc drivers/net/wireless/mwifiex/11n_aggr.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/main.h
Simple merge

diff --cc drivers/net/wireless/mwifiex/sdio.c
Simple merge

diff --cc drivers/net/wireless/mwifiex/sta_cmdresp.c
Simple merge