qcacld-3.0: Fix band agnostic chainmask ini params

Change band agnostic chainmask variable in hdd_config to uint8_t
because the parameter can take values 0, 1 and 2.

Change-Id: I4ea06db6031bcb98c3d3b352e175a09cd735901a
CRs-Fixed: 2171613

core/hdd/inc/wlan_hdd_cfg.h

@@ -14348,8 +14348,8 @@ struct hdd_config {
 	bool enable2x2;
 	uint32_t vdev_type_nss_2g;
 	uint32_t vdev_type_nss_5g;
-	bool txchainmask1x1;
-	bool rxchainmask1x1;
+	uint8_t txchainmask1x1;
+	uint8_t rxchainmask1x1;
 	bool enableMuBformee;
 	bool enableVhtpAid;
 	bool enableVhtGid;