USB OTG support on mx27pdk

[Peter Chen]

> On Wed, Apr 16, 2014 at 12:23 AM, Peter Chen <Peter.Chen at freescale.com>
> wrote:
> > Please check if below patch is existed
> >
> > commit 3b5d3e6845bfe68777d069886b0d1cd5f23b9d58
> > Author: Chris Ruehl <chris.ruehl at gtsys.com.hk>
> > Date:   Fri Jan 10 13:51:29 2014 +0800
> >
> >     usb: chipidea: Fix Internal error: : 808 [#1] ARM related to STS
> flag
> >
> >     * init the sts flag to 0 (missed)
> >     * fix write the real bit not sts value
> >     * Set PORTCS_STS and DEVLC_STS only if sts = 1
> >
> >
> > I cced chris who has imx27 hardware.
> 
> Yes, this patch is applied in 3.15-rc1, but does not help here.
> 

Just tried one imx6dl board, it works well.
Have a look if it is related to phy_type at dts or phy driver please.

Peter