usb: musb: ux500_dma: drop references to U5500

Drop references to deprecated U5500 platform in driver comments.

Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
1 file changed