qcacmn: WMI registration change to support to WIN modularization

Change WMI initialization sequence to support WMI modularization.
TLV and Non-TLV modules calls WMI module registration based on target type.
WMI attach will call respective attach routines based on registration.

Change-Id: Id56446f491d129758537913d2d5d6633f8dec918
CRs-Fixed: 2179854

wmi_unified_api.h

@@ -108,7 +108,8 @@ struct wmi_rx_ops {
  */
 enum wmi_target_type {
 	WMI_TLV_TARGET,
-	WMI_NON_TLV_TARGET
+	WMI_NON_TLV_TARGET,
+	WMI_MAX_TARGET_TYPE
 };
 
 /**