qcacld-3.0: Use wma callback to get vdev dp handle

PMO should not know about vdev data path handle, but
pmo_unpause_all_vdev() need it, so register a wma callback to retrieve
the vdev dp handle instead of keep a copy in pmo vdev private context.

Refine current code to retrieve vdev dp handle using a wma callback

Change-Id: I1f668fff633a5e5cdfc478e7f619e9600930b333
CRs-Fixed: 2227384

pmo/dispatcher/inc/wlan_pmo_ucfg_api.h

@@ -455,16 +455,6 @@ void pmo_ucfg_psoc_update_power_save_mode(struct wlan_objmgr_psoc *psoc,
 void pmo_ucfg_psoc_update_dp_handle(struct wlan_objmgr_psoc *psoc,
 	void *dp_hdl);
 
-/**
- * pmo_ucfg_vdev_update_dp_handle() - update vdev data path handle
- * @vdev: objmgr vdev handle
- * @dp_hdl: vdev data path handle
- *
- * Return: None
- */
-void pmo_ucfg_vdev_update_dp_handle(struct wlan_objmgr_vdev *vdev,
-	void *dp_hdl);
-
 /**
  * pmo_ucfg_psoc_update_htc_handle() - update psoc htc layer handle
  * @psoc: objmgr psoc handle