wcn36xx: fix incorrect assignment to msg_body.min_ch_time

The second assignment to msg_body.min_ch_time is incorrect, it
should actually be to msg_body.max_ch_time.

Thanks to Bjorn Andersson for identifying the correct way to fix
this as my original fix was incorrect.

Detected by CoverityScan, CID#1463042 ("Unused Value")

Fixes: 2f3bef4b247e ("wcn36xx: Add hardware scan offload support")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/net/wireless/ath/wcn36xx/smd.c

@@ -626,7 +626,7 @@ int wcn36xx_smd_start_hw_scan(struct wcn36xx *wcn, struct ieee80211_vif *vif,
 
 	msg_body.scan_type = WCN36XX_HAL_SCAN_TYPE_ACTIVE;
 	msg_body.min_ch_time = 30;
-	msg_body.min_ch_time = 100;
+	msg_body.max_ch_time = 100;
 	msg_body.scan_hidden = 1;
 	memcpy(msg_body.mac, vif->addr, ETH_ALEN);
 	msg_body.p2p_search = vif->p2p;