brcm80211: replace broadcom specific defines

AMPDU_RX_FACTOR_64K -> IEEE80211_HT_MAX_AMPDU_64K
AMPDU_RX_FACTOR_32K -> IEEE80211_HT_MAX_AMPDU_32K
DOT11_MAX_KEY_SIZE -> WLAN_MAX_KEY_LEN
HT_CAP_MIMO_PS_MASK -> IEEE80211_HT_CAP_SM_PS
HT_CAP_MAX_AMSDU -> IEEE80211_HT_CAP_MAX_AMSDU
HT_CAP_RX_STBC_MASK -> IEEE80211_HT_CAP_RX_STBC
HT_CAP_RX_STBC_SHIFT -> IEEE80211_HT_CAP_RX_STBC_SHIFT
HT_PARAMS_RX_FACTOR_MASK -> IEEE80211_HT_AMPDU_PARM_FACTOR

Signed-off-by: Stanislav Fomichev <kernel@fomichev.me>
Acked-by: Roland Vossen <rvossen@broadcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>