rsi: fix for 40MHZ connection issue.

Radio capabilities packet is not prepared properly for 40MHZ case,
ppe_ack_rate is a two byte variable which is initialized wrongly,
hence we are unable to connect, resolved by assigning it properly.
Signed-off-by: Ganapathi Raju <ganapathi.kondraju@redpinesignals.com>
Signed-off-by: Sushant Kumar Mishra <sushant.mishra@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/rsi/rsi_91x_mgmt.c

@@ -334,20 +334,17 @@ static int rsi_load_radio_caps(struct rsi_common *common)
 			struct ieee80211_conf *conf = &hw->conf;
 
 			if (conf_is_ht40_plus(conf)) {
-				radio_caps->radio_cfg_info =
-					RSI_CMDDESC_LOWER_20_ENABLE;
-				radio_caps->radio_info =
-					RSI_CMDDESC_LOWER_20_ENABLE;
+				radio_caps->ppe_ack_rate =
+					cpu_to_le16(LOWER_20_ENABLE |
+						    (LOWER_20_ENABLE >> 12));
 			} else if (conf_is_ht40_minus(conf)) {
-				radio_caps->radio_cfg_info =
-					RSI_CMDDESC_UPPER_20_ENABLE;
-				radio_caps->radio_info =
-					RSI_CMDDESC_UPPER_20_ENABLE;
+				radio_caps->ppe_ack_rate =
+					cpu_to_le16(UPPER_20_ENABLE |
+						    (UPPER_20_ENABLE >> 12));
 			} else {
-				radio_caps->radio_cfg_info =
-					RSI_CMDDESC_40MHZ;
-				radio_caps->radio_info =
-					RSI_CMDDESC_FULL_40_ENABLE;
+				radio_caps->ppe_ack_rate =
+					cpu_to_le16((BW_40MHZ << 12) |
+						    FULL40M_ENABLE);
 			}
 		}
 	}