phy: qualcomm: usb-hsic: Fix the kernel-doc warn

The comment is not kernel-doc one and starts with /**, so fix that.

drivers/phy/qualcomm/phy-qcom-usb-hsic.c:3: warning:
This comment starts with '/**', but isn't a kernel-doc comment.
Refer Documentation/doc-guide/kernel-doc.rst

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211116103951.34482-4-vkoul@kernel.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>

Author: vinodkoul

drivers/phy/qualcomm/phy-qcom-usb-hsic.c

@@ -1,5 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0-only
-/**
+/*
  * Copyright (C) 2016 Linaro Ltd
  */
 #include <linux/module.h>