fw-api: CL 27205261 - update fw common interface files

Change-Id: Ibf2704bf0766ac8b9875ea4373b21936cc2769d2
CRs-Fixed: 3830439

fw/wmi_unified.h

@@ -31534,6 +31534,8 @@ typedef struct {
     A_UINT32 vdev_id;
     /* picks values from WMI_USD_MODE_STATUS */
     A_UINT32 usd_mode_status;
+    /* Instance ID of the service */
+    A_UINT32 instance_id;
 } wmi_usd_service_event_fixed_param;
 
 typedef enum {