rtlwifi: Unify variable naming for all drivers

Some drivers refer to a particular quantity in the driver's private
are by one name, while others use a different name. These differences
are removed.

Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

diff --cc drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
Simple merge

diff --cc drivers/net/wireless/rtlwifi/rtl8192ee/dm.c
Simple merge

diff --cc drivers/net/wireless/rtlwifi/rtl8723be/dm.c
Simple merge

diff --cc drivers/net/wireless/rtlwifi/rtl8821ae/dm.c
Simple merge

diff --cc drivers/net/wireless/rtlwifi/wifi.h
Simple merge