[PATCH] of/usb: fix build error due to of_node pointer move

[Sergei Shtylyov]

Hello.

Grant Likely wrote:

> Fix driver to use new location of of_node pointer (introduced by commit
> use new location of of_node pointer (introduced by commit

    This line shouldn't be there. :-)

> 61c7a080a5a061c976988fd4b844dfb468dda255; of: Always use 'struct
> device.of_node' to get device node pointer)

> Signed-off-by: Grant Likely <grant.likely at secretlab.ca>
> Reported-by: John Linn <john.linn at xilinx.com>

WBR, Sergei