linux-imx

usb: musb: remove readl/writel from struct musb_platform_ops

Now Blackfin support is removed, we no longer need function pointers for
musb_readl() and musb_writel().

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>