mwifiex: change datatype to bool for device capability flags

This patch changes datatypes for device capability flags to bool.
Patch also aggregates these variables at single place.

Signed-off-by: Avinash Patil <patila@marvell.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

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

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

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

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