staging: wilc1000: renames struct connect_resp_info variables

This patch renames to avoid camelcase and remove prefix names,
changes follow are:
 - u16capability to capability
 - u16ConnectStatus to status
 - u16AssocID to assoc_id
 - pu8RespIEs to ies
 - u16RespIEsLen to ies_len

Signed-off-by: Leo Kim <leo.kim@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>