arm64: dts: uniphier: Rename usb-glue node for USB3 to usb-controller

This "usb-glue" stands for an external controller associated with USB core,
however, this is not common. So rename to "usb-controller".

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20220913042321.4817-4-hayashi.kunihiko@socionext.com

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Signed-off-by: Arnd Bergmann <arnd@arndb.de>