ASoC: Intel: Skylake: Remove get dsp_ops in cleanup routine

dsp ops is already set in init, so use this in cleanup routine
instead of again retrieving it. Also constify struct skl_dsp_ops.
Signed-off-by: G Kranthi <gudishax.kranthikumar@intel.com>
Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-messages.c

@@ -274,6 +274,7 @@ int skl_init_dsp(struct skl *skl)
 	if (ret < 0)
 		return ret;
 
+	skl->skl_sst->dsp_ops = ops;
 	dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
 
 	return ret;
@@ -284,16 +285,11 @@ int skl_free_dsp(struct skl *skl)
 	struct hdac_ext_bus *ebus = &skl->ebus;
 	struct hdac_bus *bus = ebus_to_hbus(ebus);
 	struct skl_sst *ctx = skl->skl_sst;
-	const struct skl_dsp_ops *ops;
 
 	/* disable  ppcap interrupt */
 	snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, false);
 
-	ops = skl_get_dsp_ops(skl->pci->device);
-	if (!ops)
-		return -EIO;
-
-	ops->cleanup(bus->dev, ctx);
+	ctx->dsp_ops->cleanup(bus->dev, ctx);
 
 	if (ctx->dsp->addr.lpe)
 		iounmap(ctx->dsp->addr.lpe);

sound/soc/intel/skylake/skl-sst-ipc.h

@@ -105,6 +105,8 @@ struct skl_sst {
 	void (*update_d0i3c)(struct device *dev, bool enable);
 
 	struct skl_d0i3_data d0i3;
+
+	const struct skl_dsp_ops *dsp_ops;
 };
 
 struct skl_ipc_init_instance_msg {