qcacmn: Add config support for BTM offload

Add ini to configure BTM offload configuration
which is sent to firmware as part of RSO start
via wmi btm config cmd.

Change-Id: I69c792705b208014af8f1878f7645d957dde6c06
CRs-Fixed: 2105112
diff --git a/wmi_unified_param.h b/wmi_unified_param.h
index c8b5431..7b9cf72 100644
--- a/wmi_unified_param.h
+++ b/wmi_unified_param.h
@@ -8090,6 +8090,15 @@
 	uint8_t rssi_stationary_high_adjust;
 	uint8_t rssi_stationary_low_adjust;
 };
+/**
+ * struct wmi_btm_config - BSS Transition Management offload params
+ * @vdev_id: VDEV on which the parameters should be applied
+ * @btm_offload_config: BTM config
+ */
+struct wmi_btm_config {
+	uint8_t vdev_id;
+	uint32_t btm_offload_config;
+};
 
 /**
  * struct set_arp_stats - set/reset arp stats