From 80977dc99be5d874d10716594e716ef317c1723c Mon Sep 17 00:00:00 2001
From: Felipe Balbi <balbi@ti.com>
Date: Tue, 19 Aug 2014 16:37:22 -0500
Subject: [PATCH] usb: dwc3: move all string helper functions to debug.h

Those functions are only using within debugging
messages, grouping them into debug.h makes sense.

While at that, also add missing multiple inclusion
guard.

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