qcacld-3.0: Use the regulatory sync kernel API with no lock

The init thread takes the rtnl lock during initialization.
So use kernel API regulatory_set_wiphy_regd that does not
take the rtnl lock.

Change-Id: I50e7aa96dd8c819d1531b84b181a058197d9b24f
CRs-Fixed: 2265624

core/hdd/src/wlan_hdd_main.c

@@ -7167,12 +7167,13 @@ static int hdd_wiphy_init(struct hdd_context *hdd_ctx)
 		hdd_err("wiphy registration failed");
 		return ret_val;
 	}
+
 	/* Check the kernel version for upstream commit aced43ce780dc5 that
 	 * has support for processing user cell_base hints when wiphy is
 	 * self managed or check the backport flag for the same.
 	 */
-#if defined CFG80211_USER_HINT_CELL_BASE_SELF_MANAGED || \
-	    (LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0))
+#if defined CFG80211_USER_HINT_CELL_BASE_SELF_MANAGED ||	\
+		(LINUX_VERSION_CODE >= KERNEL_VERSION(4, 18, 0))
 	hdd_send_wiphy_regd_sync_event(hdd_ctx);
 #endif
 

core/hdd/src/wlan_hdd_regulatory.c

@@ -1270,6 +1270,9 @@ void hdd_send_wiphy_regd_sync_event(struct hdd_context *hdd_ctx)
 			  regd_rules[i].power_rule.max_eirp,
 			  regd_rules[i].flags);
 	}
+
+	regulatory_set_wiphy_regd(hdd_ctx->wiphy, regd);
+
 	hdd_debug("regd sync event sent with reg rules info");
 	qdf_mem_free(regd);
 }