iwlwifi: use configured valid rx chain for scan

Use configured valid rx chains in scan command instead of ANT_ABC, correcting
valid rx chain configuration of 4965, should be ANT_ABC instead of ANT_AB.

Signed-off-by: Shanyu Zhao <shanyu.zhao@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index 1ff465a..faa4c4e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2228,7 +2228,7 @@
 	.num_of_ampdu_queues = IWL49_NUM_AMPDU_QUEUES,
 	.mod_params = &iwl4965_mod_params,
 	.valid_tx_ant = ANT_AB,
-	.valid_rx_ant = ANT_AB,
+	.valid_rx_ant = ANT_ABC,
 	.pll_cfg_val = 0,
 	.set_l0s = true,
 	.use_bsm = true,