From 0ffcaf3798bfd83aed0a650cddb9d1ee825ff2bb Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Thu, 19 Dec 2013 13:04:28 -0600
Subject: [PATCH] usb: dwc3: core: allocate scratch buffers

We must read HWPARAMS4 register to figure out
how many scratch buffers we should allocate.

Later patch will use "Set Scratchpad Buffer
Array" command to pass the pointer to the
IP so it can be used during hibernation.

Signed-off-by: Felipe Balbi <balbi@ti.com>
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